Ever wonder what keeps our favorite police drama detectives up at night? Spoiler: it's *these guys*. Prepare for chills, thrills, and maybe a nervous laugh or two. From the chilling minds of Chicago P.D. to the terrifying cases of Law & Order and SVU, this clip rounds up the most unforgettable (and unsettling!) serial killers to ever grace your screen. Watch as our heroes confront pure evil, leaving you questioning everything and maybe even sleeping with the lights on. Subscribe for more moments like this.: https://www.youtube.com/@PDTV.Official Watch full episodes of Chicago P.D here: https://www.justwatch.com/uk/tv-series/chicago-p-d https://www.justwatch.com/uk/tv-series/law-and-order-1990 Watch full episodes of Law & Order: SVU here: https://www.justwatch.com/uk/tv-series/law-and-order-special-victims-unit 00:00 Four Cops Shot - Law & Order Season 20 Episode 17 05:10 A Shot Heard Around The World - Chicago P.D. Season 4 Episode 8 14:12 Scourge - Law & Order: Special Victims Unit Season 2 Episode 21 22:28 Manic - Law & Order: SVU Season 5 Episode 2 31:29 The Number of Rats - Chicago P.D. Season 2 Episode 20

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