The Final Hours with Sarah Turney and Kourtney Nichole

Hosts Sarah Turney and Kourtney Nichole examine the 1984 disappearance of Kevin Collins, one of the first children featured on milk cartons.

Hosts Sarah Turney and Kourtney Nichole discuss disturbing Reddit stories involving family secrets and stalking.

Hosts Sarah Turney and Kourtney Nichole examine the 2007 disappearance of 14-year-old Andrew Gosden, who vanished after taking a one-way train to London.

Hosts Sarah Turney and Kourtney Nichole issue a special BOLO for three missing individuals: Stephen Kraft Jr.

Hosts Sarah Turney and Kourtney Nichole are joined by Andrea Dunlop to examine the 2007 disappearance of Madeleine McCann in Portugal.

Hosts Sarah Turney and Kourtney Nichole investigate the 1987 disappearance of 16-year-old Teresa Ann Beer, who vanished while camping with acquaintance Russell "Skip" Welch.

Hosts Sarah Turney and Kourtney Nichole examine the 2015 disappearance of Asha Kramer, who vanished after a breakfast stop in California.

This episode of The First 48 follows Tulsa detectives investigating the murder of Mark Lake, an unhoused man shot near his encampment.

Hosts Sarah Turney and Kourtney Nichole examine the 1998 disappearance of Amy Lynn Bradley from a Royal Caribbean cruise.