Flyer takes to Reddit to ask whether flight attendant can tell if passengers vape while in the bathroom on a plane, sparking a debate. A travel expert weighed in.

Cassie Ventura took the witness stand Tuesday in Manhattan to testify against her ex-boyfriend, Sean "Diddy" Combs, in his federal trial for sex crimes.

Tren de Aragua recruits members with IT skills and has even developed its own online language to advance its criminal goals in the United States, experts say.