The Minnesota State Patrol continues to investigate a crash that left a Rosemount teen dead Saturday.The State Patrol says 15 year old David Peterson of Rosemount was killed in Eagle Lake when he was hit by a car while riding his bike.It happened on County Road 27, north of Highway 14.27 year old Ryan Veith of Kasota was driving that SUV that hit Peterson.The State Patrol tells News 12 Peterson was wearing a helmet at the time of the crash.