Mark of a Killer Season 4 Episode 4
The D.C. Sniper
A serial sniper terrorizes the entire D.C. metro area by discreetly targeting random victims out in public and in plain sight.
4 - 4The D.C. SniperApr. 23, 2022- 4 - 3The Skull CrusherApr. 16, 2022
- 4 - 2The Bayou StranglerApr. 09, 2022
- 4 - 1The MonsterApr. 02, 2022
