DATELINE NBC To Present All-New Two-Hour COLD BLOODED & NO WAY OUT This April

Dennis Murphy Reports on Florida Murder on Friday's All-New Two-Hour 'Dateline'

Keith Morrison Speaks with Survivors of the Montecito Mudslides on Sunday, April 15 at 7 p.m. ET/6 p.m. CT

All-New "Cold-Blooded" Airs Friday, April 13 at 9 p.m. ET/8 p.m. CT

When a young, beloved Florida law professor is shot, his family, friends and police are baffled. A complicated investigation that draws national attention leads police to a surprising theory of the crime. In an emotional interview, the victim's family speaks out for the first time. Dennis Murphy reports.

"No Way Out" Airs Sunday, April 15 at 7 p.m ET/6 p.m. CT

The idyllic town of Montecito was threatened by the worst wildfire in California history, then inundated by catastrophic mudslides. Keith Morrison reports on four families who barely escaped alive, and the rescuers who risked their own lives to help.

"Dateline" is the longest-running series in NBC primetime history. In its 26th season, "Dateline" is anchored by Lester Holt and features correspondents Andrea Canning, Josh Mankiewicz, Keith Morrison and Dennis Murphy. Airing Fridays at 9 p.m. ET/8 p.m. CT and Sundays at 7 p.m. ET/6 p.m. "Dateline" reaches more than 20 million people every week through its broadcast, and millions more through its social media platforms. David Corvo is the senior executive producer, and Liz Cole is the executive producer. Follow Dateline on Facebook, Instagram and Twitter.