SULLIVAN COUNTY, Ind. (WTWO/WAWV) - Dateline's newest series will focus on two Wabash Valley murders. The show is called "Dateline: The Last Day." The episode premiering Tuesday on the streaming service "Peacock" focuses on the murders of Vincennes University students Brook Baker and Erica Norman. Baker was raped and stabbed 11 times in her off-campus [.]