S6, E19: When a young boy finds a murder weapon, the team must trace ownership of the gun to find who used it last and who was murdered.
Markus Flanagan
Rebecca Creskoff
Braeden Lemasters
Amelia Bryn Smith
Ronnie Gene Blevins
Carlease Burke
Kendall Ryan Sanders
Rico Rodriguez
Carolyn McDermott
Tessa Munro