![\"Shawn](\"https:\/\/www.europesays.com\/us\/wp-content\/uploads\/2026\/05\/1780191811_652_19196021_052926-wpvi-student-attacked-img.png\"\/)
<\/p>\nPHILADELPHIA — A family is searching for answers after their 17-year-old son suffered a traumatic brain injury during an attack in a Pennsylvania park earlier this month.<\/p>\n
Instead of preparing for graduation Sunday, Shawn Rinnier, of Bryn Mawr, is recovering at a rehabilitation center after being attacked around midnight on May 10 in Wissahickon Park in Chestnut Hill.<\/p>\n
“Seeing your son in that state: his face was heavily swollen, he had blood gashes, he was on a breathing tube, he had a neck brace on,” said his mother, Susan Rinnier.<\/p>\n
<\/p>\n
Shawn Rinnier pictured with his family<\/p>\n
Rinnier, a Saint Joseph’s Prep student, said he attended a Tiki party with classmates and students from other local schools when several fights broke out.<\/p>\n
“I think I was avoiding a fight, and my friend was in a fight, and I sorta was standing behind my friend and I got attacked,” he said.<\/p>\n
His parents said they received calls from a doctor and their son’s friends at 2 a.m. on Mother’s Day informing them he was in the hospital. He was later transferred to the intensive care unit.<\/p>\n
“He was the first team all-Catholic tennis player this year. They were going to state on Tuesday. So Sunday, we were like, ‘Shawn, you gotta wake up, you have states, you have AP tests,” said Shawn Rinnier’s father. “We were trying to motivate him, and we got no response the first few days.”<\/p>\n
Shawn Rinnier said his memory of the night remains blurry. His parents said investigators told them a good Samaritan found him alone in the woods and called 911.<\/p>\n
“She said there were hundreds of kids in and out of the woods, and she was pretty intimidated, then she saw Shawn on the road and was like, ‘Oh my God, is this kid OK?'” his father said.<\/p>\n
Philadelphia police said they are using videos of the incident as part of their investigation.<\/p>\n
“People that are being questioned are just not either willing to talk or afraid to talk or not wanting to get their friends in trouble,” Susan Rinnier said.<\/p>\n
Rinnier spent nearly a week in the hospital before being transferred to a rehabilitation center, where doctors diagnosed him with a traumatic brain injury. His family said doctors expect his recovery to take more than a year, delaying his plans to attend college.<\/p>\n
“He was really looking forward to going to college next year, and that’s just out of the cards, so we’re working on a letter to the University of Florida to get him deferred for a year,” his father said.<\/p>\n
The school’s president sent a letter to the school community asking for prayers and sharing that Rinnier is expected to attend graduation on Sunday.<\/p>\n
“Luckily, I do get to attend graduation, so I get to be with my friends being here every day. It changes a lot,” Shawn Rinnier said.<\/p>\n
Susan Rinnier said the family is still searching for accountability.<\/p>\n
“I just really want to know what happened and somebody to take accountability,” she said.<\/p>\n
Rinnier said he plans to walk across the stage at graduation Sunday instead of using his wheelchair. Philadelphia police and the family are asking anyone with information or video from that night to come forward to assist investigators.<\/p>\n
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