S01 E01 · Episode 01
Before They Kill AgainLoading player...
Season 16 Episodes
Before They Kill Again
Season 1Sometimes, the only way to stop a madman before he kills again is to get inside the mind of a monster and think like he does. Cops go head-to-head with the most dangerous and deadly criminals in one-on-one battles of wits, only one of them will win.
Investigation Discovery
US
CountryUS
NetworksInvestigation Discovery
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