The First 48 Deadly Obsession/The Killer You Know (2004– ) Online
- Original Title :
- Deadly Obsession/The Killer You Know
- Genre :
- TV Episode / Crime / Mystery / Reality TV
- Year :
- 2004–
- Type :
- TV Episode
- Time :
- 43min
- Rating :
- 8.8/10
A young Dallas couple murdered in cold blood on their doorstep sends detectives on a manhunt across three states. Then, Cleveland homicide finds a man shot dead in his own backyard and learns the killer might be closer than they think.