In Pursuit with John Walsh (2019)

Victims' rights activist John Walsh and his son, Callahan, showcase time-sensitive, unsolved cases in desperate need of attention, mobilizing the public to engage in the pursuit of justice.

• First Air Date: 2019-01-16
• Last Air Date: 2024-06-19
• Total Seasons: 5
• Total Episodes: 54
• Episode Runtime: 45 min.
• Network: Investigation Discovery