Long Island October 25, 2021 6:22 pm Ex-Boyfriend Arrested in Woman's Murder on Long Island An ex-boyfriend with a violent history is behind bars after investigators say he stabbed a woman to death outside her Long Island home. NBC New York’s Pei-Sze Cheng reports. Local 1:06 Federal agents arrest alleged NJ gang members in drug trafficking ring 0:33 Long Island woman arrested for selling fake Ozempic online 3:01 I-Team: NYPD officers testify in surveillance video controversy 3:11 New testimonies in Trump hush money trial 2:33 Police search wooded area in Long Island in connection with Gilgo Beach killings investigation