Facebook turned over chat messages between mother and daughter now charged over abortion

Facebook turned over the chats of a mother and her daughter to Nebraska police after they were served with a warrant as part of an investigation into an illegal abortion, 

The investigation, which was launched in April before the Supreme Court overturned Roe v. Wade, is one of the few known instances of Facebook’s turning over information to help law enforcement officials pursue an abortion case — but it is also an…