
Season 19, episode 10
Pledge
- 45 min
When the son and housekeeper of a pair of prominent biologists are murdered, detectives suspect the couple’s work on a controversial pharmaceutical study may have made them targets for the killer.

Season 19, episode 10
When the son and housekeeper of a pair of prominent biologists are murdered, detectives suspect the couple’s work on a controversial pharmaceutical study may have made them targets for the killer.