BRADENTON, Fla. (WFLA) — The investigation into the death of 27-year-old Sherrone Jackson continued nearly two weeks after he was found unconscious in a West Bradenton neighborhood.

Police said Sherrone Jackson was in the area to pick up a spare key. A ride-share service dropped him off around 10:45 p.m. on Oct. 29 near 68th Street West and 12th Avenue.

Evidence told investigators he was still there waiting for a ride home around 11:55 p.m. About two hours later, a passerby found him lying on the ground unconscious. What happened in those two hours remains a mystery that his family hopes the police figure out.

Police said Sherrone Jackson was found with an injury to the back of his head. He sustained a traumatic brain injury, never regained consciousness, and passed away from his injuries on Nov. 6.

Bradenton Police received preliminary autopsy results from the Medical Examiner’s Office this week. Unfortunately, police said the early findings, which indicated Sherrone Jackson died from trauma to his head, haven’t told them anything they didn’t already know.

“No new information has been presented to guide us in any direction or the other. It is obviously frustrating for the family. At the end of the day, we just want to be able to tell them what happened,” said Public Information Officer Meredith Censullo. “We are hitting roadblocks in doing that because there is just so few details of what happened in that two-hour gap of time.”

Sherrone Jackson’s father, Lorenza Sherrod Jackson, told News Channel 8 police have said the head injury could have possibly been the result of a medical episode, such as a seizure. Another possible explanation is a hit-and-run crash, but the family finds those theories difficult to believe.

“They are saying (it) could be a hit-and-run. Who gets hit in the back of the head — just that one significant wound to the back of the head — but there are no bruises to the body or broken bones to the body,” Sherrone Jackson’s father questioned.

He said not knowing what happened has caused heartache throughout his family.

“We are making funeral arrangements for him, but we don’t know why we are making funeral arrangements, you understand what I’m saying,” Lorenza Jackson said. “You are putting your baby down to rest, but you don’t know why you are laying your baby down to rest. It’s just hard.”

Sherrone Jackson was a father to two daughters.

“Sherrone was a good guy. He was a father; he worked; he went to church; and he loved to look good,” Sherrone Jackson’s father said.

Anyone who saw Sherrone Jackson the night of Oct. 29 or who noticed anything unusual in the area is asked to contact the Bradenton Police Department at 941-932-9300 or Detective William Mulligan at william.mulligan@bradentonpd.com or 941-932-9313.

Tips can also be submitted anonymously to Manatee Crime Stoppers at manateecrimestoppers.com.