Columbia University will pay a $200 million settlement to the federal government as part of an agreement to resolve investigations into alleged violations of anti-discrimination laws.
A "48 Hours" investigation into one murder leads into the dark web and to the disruption of four potential murder-for-hire plots. Correspondent Peter Van Sant investigates.
An ex-Marine with a secret life and a secret wife. A five-year investigation turns on shocking DNA evidence -- is the one-time hero a killer, too? "48 Hours"' Peter Van Sant has the latest in the case.
A day care worker says she loved kids, yet she's in prison for killing one. If she didn't do it, why did she confess? "48 Hours"' Erin Moriarty has the latest in the Melissa Calusinski case.
