Click for a Killer: "48 Hours" season premiere preview
"48 Hours" covers the murder of a mother in the Midwest and unearths evidence that leads into the shadowy world of the dark web -- where hiring a hit man is only a click away.
Correspondent Peter Van Sant’s investigation leads to arrests in four other murder plots, allegedly arranged by a shrouded mastermind – who cannot be found. Watch the two-hour season premiere Saturday, Sept. 29 at 9/8c on CBS.