211: The Edgewater Technologies Massacre

The day after Christmas in 2000, employees at Edgewater Technologies were busy finishing year-end reports, and wrapping up projects before ringing in the new year. However, one employee, Michael McDermott, hadn't come into work that day to take care of business as usual; he had a much more sinister to-do list.Instagram: @CousinsonCrimePodcastEmail: [email protected] Music by AleXZavesaFor Bonus Content, Join our Patreon! https://www.patreon.com/CousinsOnCrimeCheck out our merch store! https://cousinsoncrime-shop.fourthwall.com/?Sources:https://www.theguardian.com/world/2000/dec/27/usgunviolence.usahttps://www.youtube.com/watch?v=8Wc2Swl9THw&themeRefresh=1https://www.washingtonpost.com/archive/politics/2002/04/25/man-convicted-of-murdering-7-co-workers/898ddc6a-1c04-4f17-9db6-7c192c6647f1/https://www.courttv.com/news/rampage-killers-ma-v-michael-mcdermott-2002/https://content.time.com/time/subscriber/article/0,33009,998904-1,00.htmlhttps://open.spotify.com/episode/7n36SLwTlXNLjbJC6NTFYC?si=IYO5KcedSmq-sCIRPJJiTA&utm_source=copy-linkhttps://www.findagrave.com/memorial/134195511/jennifer_bragg-capobiancohttps://www.findagrave.com/memorial/134187286/janice_anne-hagertyhttps://www.facebook.com/lisa.k.lawrence.77/videos/4827578857529152/?fs=e&idorvanity=623189099205856&s=TIeQ9V&fs=ehttps://www.facebook.com/lisa.k.lawrence.77/videos/6967417600001654/?fs=e&idorvanity=623189099205856&s=TIeQ9V&fs=e

Katie McLean had two failed relationships before finally finding a wealthy surgeon, who would sweep her off her feet. From the outside, the couple seemed to have it all; nice cars, beautiful children, and a sprawling home, perfect for entertaining. But just underneath the surface was a toxicity that had long-festered, until one day, it erupted. Instagram: @CousinsonCrimePodcastEmail: [email protected] Music by AleXZavesaFor Bonus Content, Join our Patreon! https://www.patreon.com/CousinsOnCrimeCheck out our merch store! https://cousinsoncrime-shop.fourthwall.com/?Sources:https://www.nbcboston.com/news/local/jury-to-continue-deliberating-in-trial-of-dover-doctor-charged-with-wifes-murder/3682131/https://people.com/former-massachusetts-surgeon-sentenced-strangling-wife-dumping-body-pond-11737830https://www.legacy.com/us/obituaries/legacyremembers/kathleen-mclean-obituary?id=2251932https://open.spotify.com/episode/76zZDXFykwIlmHkkZa8Yt8?si=5wjPZj1TSJG7shAyrH0eDw&utm_source=copy-linkhttps://open.spotify.com/episode/5PNuXGVYb1kd18023vf3Ql?si=JPUXnDD1QkKiiwtovUk2zg&utm_source=copy-linkhttps://open.spotify.com/episode/1JWNjIyjpUuMczwxS54EFb?si=L1MlSUQVTOClPIbGvhc80Q&utm_source=copy-linkhttps://www.bostonmagazine.com/news/2020/11/17/dover-slaying/

The Millermore Mansion is said to be one of the most haunted locations in Texas. In its heyday, the Greek Revival architecture blended classical columns, and palace-like porches boasting stability and social standing to all who happened upon it. Today, the mansion sits in Old City Park, Dallas; a testament to historical charm and the darkness of American history.Instagram: @CousinsonCrimePodcastEmail: [email protected] Music by AleXZavesaFor Bonus Content, Join our Patreon! https://www.patreon.com/CousinsOnCrimeCheck out our merch store! https://cousinsoncrime-shop.fourthwall.com/?Sources:https://www.findagrave.com/memorial/101374118/william_brown-millerhttps://dallaspioneer.org/pioneers/william-brown-miller/https://dallasterrors.com/the-haunted-millermore-mansion/https://www.youtube.com/watch?v=J_BlEzYGxl0&t=6sDallas Ghost Tours https://dallasterrors.comhttps://youtu.be/ilZ1VEa318I?si=XYrgwV01bR44eCK7

It was a chilly morning in Clearwater, Florida when Steven Cozzi arrived to work in late March of 2023. But when Steven missed a telephonic hearing that morning, his colleagues in their small law office knew that something was very wrong. For investigators, it was a proper mystery; how did Steven get out of the building without anyone in their tight quarters hearing or seeing a thing?Instagram: @CousinsonCrimePodcastEmail: [email protected] Music by AleXZavesaFor Bonus Content, Join our Patreon! https://www.patreon.com/CousinsOnCrimeCheck out our merch store! https://cousinsoncrime-shop.fourthwall.com/?Sources:https://www.wtsp.com/article/news/crime/plastic-surgeon-murder-trial-tomasz-kosowski-sentencing/67-07c8cbda-eebd-4097-8aff-ca0fd3ffe37dSucking fingers video https://www.youtube.com/watch?v=Y7xTiqhL-l0https://www.dropbox.com/scl/fi/k9rjjh37y8xqz9j29favn/kosowski-lawsuit.pdf?rlkey=kqlo3ojhuh3mt61vetggvbqm0&e=1&dl=0https://www.wfla.com/news/pinellas-county/timeline-of-steven-cozzis-suspicious-disappearance/https://www.wfla.com/news/pinellas-county/largo-lawyer-murder-video-shows-suspect-tomasz-roman-kosowski-at-crime-scene/https://www.fox13news.com/news/tomasz-kosowski-trial-evidence-reveals-online-searches-before-attorney-deathDay 1 Trial https://www.youtube.com/watch?v=h7u26kb4WRgDay 2 Trial https://www.youtube.com/watch?v=2RsHBqsqK68Day 3 Trial https://www.youtube.com/watch?v=5_d3gHGbk7cDay 4 Trial https://www.youtube.com/watch?v=-CX74GhOteEDay 5 Trial https://www.youtube.com/watch?v=5MWs3e9sJ7ADay 6 Trial https://www.youtube.com/watch?v=M3Mk-hiEI1s

In 2021, a contract job took a group of electricians from their chilly, northeastern fall, down to sunny Florida. When Shaun Runyon was called out by his team for slacking on the job, he stormed off the worksite and started driving north, towards home. The trouble was, with every mile he traveled, he became more and more enraged until he turned his truck around and went back for revenge.(Original Episode 125, January 2025)Update: Stay tuned at the end of the episode for justice!Instagram: @CousinsonCrimePodcastEmail: [email protected] Music by AleXZavesaJoin our new Patreon! https://www.patreon.com/CousinsOnCrimeCheck out our merch store! https://cousinsoncrime-shop.fourthwall.com/?Sources:https://www.wesh.com/article/florida-man-accused-of-killing-3-coworkers-with-baseball-bat-knife-charged-with-murder/37867022https://youtu.be/yrc5IQMdiiY?si=2KUcTPZYc4zOyMUshttps://www.wfmz.com/news/area/lehighvalley/family-remembers-monroe-county-dad-killed-in-florida/article_66a36d8e-260e-11ec-849f-d7343c7c5fcd.htmlhttps://www.wmar2news.com/marylandmanoneofthreemurderedinfloridahttps://www.poconorecord.com/story/news/2021/10/06/fund-set-up-family-pocono-man-killed-florida/6019325001/https://www.wfmz.com/news/area/lehighvalley/family-remembers-monroe-county-dad-killed-in-florida/article_66a36d8e-260e-11ec-849f-d7343c7c5fcd.htmlhttps://www.wfla.com/news/polk-county/none-of-them-deserved-it-niece-of-davenport-triple-murder-victim-says-death-has-shaken-family/https://www.youtube.com/watch?v=aJwBDTdBy_o

On November 2, 2015, a call came in to 911 in the small town of Pendleton, South Carolina. The caller, Amy Vilardi, had just made a horrifying discovery at her mother's house; all four residents in the home had been brutally murdered. What began as an open and shut investigation, quickly turned into a stale mate that would delay justice for a frustrated family for 8 long years.Instagram: @CousinsonCrimePodcastEmail: [email protected] Music by AleXZavesaFor Bonus Content, Join our Patreon! https://www.patreon.com/CousinsOnCrimeCheck out our merch store! https://cousinsoncrime-shop.fourthwall.com/?Sources:https://www.youtube.com/watch?v=hALTeHQ_wh0https://www.foxcarolina.com/2026/02/23/jury-selection-begins-trial-anderson-co-woman-accused-killing-4-family-members/https://www.reddit.com/r/TrueCrimeMystery/comments/1i348r5/my_mother_is_a_murderer/https://www.reddit.com/r/TrueCrimeMystery/comments/1s3szvb/my_mother_is_a_murderer_part_2/https://people.com/amy-vilardi-murder-trail-11912471https://www.youtube.com/watch?v=OPiDwDMDetUhttps://www.facebook.com/watch/?v=1618264649373723https://www.findagrave.com/memorial/154890437/terry-michael-scotthttps://www.findagrave.com/memorial/77180638/barbara_jean-scotthttps://www.findagrave.com/memorial/154579372/violet_juanita-taylorhttps://www.findagrave.com/memorial/154579352/cathy-scott

In February 2025, police were called to an upscale apartment in Princeton, NJ where there was, reportedly, a dead body and a fire in one of the units. When they arrived, they realized that the fire was not the cause of death for the deceased and the truth was far more disturbing than anyone was prepared for.Instagram: @CousinsonCrimePodcastEmail: [email protected] Music by AleXZavesaFor Bonus Content, Join our Patreon! https://www.patreon.com/CousinsOnCrimeCheck out our merch store! https://cousinsoncrime-shop.fourthwall.com/?Sources:https://www.live5news.com/2025/02/28/man-charged-with-killing-own-brother-made-disturbing-social-media-posts-before-crime-police-say/https://people.com/man-received-warning-text-before-being-killed-by-brother-allegedly-11692811https://nypost.com/2025/03/01/us-news/princeton-man-allegedly-murdered-and-mutilated-by-brother-mourned-at-funeral/https://people.com/blood-soaked-utensils-plate-found-princeton-murder-scene-11692825 https://www.aol.com/preppy-princeton-murder-suspect-matthew-205133233.htmlhttps://www.nj.com/mercer/2026/03/nj-man-was-criminally-insane-not-legally-responsible-for-brothers-brutal-murder.htmlhttps://carljungdepthpsychologysite.blog/2020/10/29/sacrificial-murder/https://www.matherhodge.com/obituaries/Matthew-Charles-Hertgen?obId=48350213https://abc3340.com/news/nation-world/new-jersey-man-accused-of-killing-brother-and-eating-eyeball-found-dead-in-jail-reports-mental-illness-death-murder-homicide-investigation-schizophrenia-psychotic-behavior-suicide-autopsy-death-insanity-psychiatric-hospitalhttps://www.ctpost.com/connecticut/article/matthew-hertgen-dies-insanity-ruling-brother-ct-22273802.php

We've all come across those outrageous true crime headlines and thought, "what the heck?!" Enjoy this preview of our new Patreon Exclusive series, What The Heck Headlines.Headline Links:https://people.com/mom-charged-with-murder-after-allegedly-shooting-man-found-under-kids-bed-12022160?link_source=ta_first_comment&taid=6a5c28a8b56ead0001c75aa2&utm_campaign=peoplemagazine&utm_medium=social&utm_source=facebook.com&fbclid=IwdGRjcATKHS1wZG9mBWZkaWQWUK03edKB1huaElV6P7bqDU7uVPjrV2V4dG4DYWVtAjExAHNydGMGYXBwX2lkCjY2Mjg1NjgzNzkAAR5ykl9MhC6meHfJbYq9Z67q-bxicNjw-eRPtxlWibGaA4k8nfOVNH_nuHuqOA_aem_5ekvgngvd446Usx6xMIcPghttps://www.wcax.com/2026/07/08/man-accused-cutting-off-his-genitals-using-them-start-fire-authorities-say/?outputType=amphttps://people.com/missing-ohio-teen-girl-found-alive-allegedly-in-former-teachers-home-12117791?link_source=ta_first_comment&taid=6aa5c46130869300010873e1&utm_campaign=peoplemagazine&utm_medium=social&utm_source=facebook.com&fbclid=IwdGRleAUS7bxwZG9mBWZkaWQWUOX6PPAXYOQwMSJ0P7hKoKlfyOPp32V4dG4DYWVtAjExAHNydGMGYXBwX2lkCjY2Mjg1NjgzNzkAAR7xWGE0P_47vN4MHzgMc66kTje3L2HFrSgYz9crd8AZ04SMjnTjRvBIhXbqzg_aem_riuBjNmpSbo3yHZesW8Atwhttps://www.fox19.com/2026/09/14/woman-throws-bucket-poop-neighbor-sleeping-with-her-husband-deputies-say/?fbclid=IwdGRleAUU8MdwZG9mBWZkaWQWUOY_fgyqcW_xrbMBIxlhoZGJ9lsTJ2V4dG4DYWVtAjExAHNydGMGYXBwX2lkCjY2Mjg1NjgzNzkAAR5TYqeK4AVTJdvWXrWuUlt_VLyHOgL6Ityhjzt4o5qz7M-AFVuLxYk_7gVLwg_aem_8kQA3qaPuzqnD00MJ7vxHw

When a 25-year-old woman was murdered in St. Cloud, Florida in 1991, police gathered what little evidence they could to find her killer. The problem was, the young woman lived a transient lifestyle, making it very difficult to narrow down the suspect pool. It would take over three decades and the help of DNA to finally get justice for Julia Wilbanks.Instagram: @CousinsonCrimePodcastEmail: [email protected] Music by AleXZavesaFor Bonus Content, Join our Patreon! https://www.patreon.com/CousinsOnCrimeCheck out our merch store! https://cousinsoncrime-shop.fourthwall.com/?Sources:https://youtu.be/_kX3e6aPY0ghttps://people.com/gene-stuller-cold-case-murder-julia-wilbanks-11719626https://www.newspapers.com/article/the-orlando-sentinel-julia-sue-wilbanks/122993100/https://share.google/gfOqnqpysEB9UzapKhttps://youtu.be/IEnL8HqTFOQ?is=K01NZb86zMDqy8la

Friday the 13th of May, 2016, Chantay Blankenship met up with a friend for her usual evening walk but would never return home. When she was found brutally murdered, authorities had a short list of persons of interest; leading them in circles until a cutting edge technology blew the case wide open. Instagram: @CousinsonCrimePodcastEmail: [email protected] Music by AleXZavesaFor Bonus Content, Join our Patreon! https://www.patreon.com/CousinsOnCrimeCheck out our merch store! https://cousinsoncrime-shop.fourthwall.com/?Sources:Dateline: The Haunted House Confessionhttps://www.tdcaa.com/journal/snapshot-of-a-killer/https://www.findagrave.com/memorial/162805734/rhonda-chantay-blankinship?_gl=1*6jsksm*_gcl_au*MTYyNzYxMTAyMi4xNzgzODE5MTM1*_ga*Njc0NDEyODg2LjE3ODM4MTkxMzU.*_ga_4QT8FMEX30*c2IxMmIzNzg4LThlZDAtNGJkZS1iMGY2LTVmZmZmZDM5YjExZCRvMiRnMSR0MTc4ODcwMzk4MSRqMzAkbDAkaDA.*_ga_LMK6K2LSJH*c2IxMmIzNzg4LThlZDAtNGJkZS1iMGY2LTVmZmZmZDM5YjExZCRvMiRnMSR0MTc4ODcwMzk4MSRqMzEkbDAkaDA.https://ktxs.com/news/local/property-linked-to-chantay-blankinships-murder-demolished-to-restore-peace-to-community