Keyword: investigation
C.I.D.
1998
The Blacklist
2013
Ghost Adventures
2008
The X-Files
1993
Dirty Linen
2023
Mercy for None
2025
Dateline: Secrets Uncovered
2017
Charlie's Angels
1976
Death in Paradise
2011
Unforgotten
2015
Rizzoli & Isles
2010
FBI
2018
Elementary
2012
Hart to Hart
1979
The Good Fight
2017
On the Case with Paula Zahn
2009
True Detective
2014
Father Matteo
2000
Cold Case
2003
Bull
2016