Two Republican U.S. senators called for a congressional investigation into Meta Platforms on Thursday after Reuters exclusively reported on an internal policy document that permitted the company’s chatbots to “engage a child in conversations that are romantic or sensual.

Thongbue Wongbandue, 76, fatally injured his neck and head after falling in a New Brunswick parking lot while rushing to catch a train to meet “Big sis Billie,” a generative Meta bot that not only convinced him she was real but persuaded him to meet in person, Reuters reported Thursday.