Police in Hartford, Conn., investigate a string of ruthless killings in the Asylum Hill area committed by a killer with a devastating mark that leaves his victims nearly unrecognizable.
Original Air Date: Jan 3, 2025Oxygen True Crime Archives49m
Watch Mark of a Serial Killer with Fubo
- 100+ channels of live sports & TV
- Unlimited Cloud DVR
- Stream on up to 10 screens at once
- No contract, no commitment
Starting at $79.99/mo
Additional taxes, fees and regional restrictions may apply