Before They Kill Again (2024) is a Crime, Documentary series that follows sometimes, 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. Currently, you can watch Before They Kill Again on Amazon Prime Video, HBO Max, HBO Max Amazon Channel, Discovery+ Amazon Channel. Streaming availability may vary by country and platform over time. It has a user rating of 9.0 out of 10 from 3 votes. Fans of crime series may also want to explore similar titles below.