The family of a Mississippi 18-year-old who was found dead after a July 4 boat trip with friends to an island off the Gulf Coast is expected to call for greater transparency at a news conference Friday with the Rev.

The family of an 18-year-old found dead after a July 4 boat trip off the Gulf Coast has hired civil rights attorney Ben Crump.

Nolan Wells, an 18-year-old student-athlete from Mississippi, was found dead earlier this week after he went missing on a Fourth of July trip to Mississippi’s Horn Island with…