NBC News correspondent Blayne Alexander is returning from maternity leave this week for a full-time role on “Dateline,” the network’s long-running and seemingly ubiquitous true crime program.

NBC’s Dateline series, America’s top-rated true crime TV series and podcast, has named Blayne Alexander as its new correspondent. The announcement was made on NBC’s Today program on Tuesday, with fellow Dateline correspondents Keith Morrison, Andrea Canning and Josh Mankiewicz at Alexander’s side.

NBC News correspondent Blayne Alexander has a new baby ... and a new job. The mom of two is joining anchor Lester Holt and correspondents Andrea Canning, Josh Mankiewicz, Keith Morrison and Dennis Murphy on "Dateline,