Baltimore, MD- On Thursday, the Baltimore Police Department handed over their investigation into the arrest and death of Freddie Gray to the State’s Attorney, Marilyn Mosby. The report was handed over a day earlier than expected. Mosby, who has been on the job for 100 days, will face a critical decision of whether or not to pursue criminal charges against any of the six Baltimore police officers involved in the arrest of Gray on April 19th, 2015.

Meanwhile, Baltimore Police also released information today that they have learned of a fourth stop made while Gray was in custody that was previously unknown. Last week, authorities had said there were three stops: the first to put leg irons on Gray, the second “to deal with Mr. Gray” (an incident, he said, that remained under investigation) and the third to pick up a prisoner in an unrelated matter.

According to investigators, they learned of this fourth stop from a privately owned surveillance camera. There is no word yet on what that video of the fourth stop shows.

The first comes from a relative of one of the officers involved in the arrest. She told CNN the officer thinks Gray was injured while he was being arrested — before he was put inside a police van.

The second is an account from a prisoner who was in the same police van, as published in The Washington Post. The prisoner reportedly told investigators he thought Gray “was intentionally trying to injure himself.”