Dad killed after sale on popular app goes horribly wrong

An Illinois father was killed while trying to sell his iPhone using the popular app Offerup.

Trinidad Bueno-Sanchez, 43, a married man and father of one, did everything right when trying to sell the phone.

Using OfferUp, he found a potential buyer who expressed interested in buying his iPhone 6 for $450. He agreed to meet them in the parking lot of a local store on April 24, WGN reports.

Five teenagers met him in the lot. Police said Bueno-Sanchez leaned inside the suspects' vehicle during the exchange.

"They asked to see the phone so he handed them the phone," Round Lake Beach Police Deputy Chief Mike Scott told WGN. "Then they handed him an envelope that was supposed to be the money for the phone. But turned out there was just a few dollars in there."

Police say that at that point, they knew the victim was on to them.

They sped off while Bueno-Sanchez was still leaning in the window, and he was dragged along with the car before falling and hitting his head on the pavement. He died three days after being taken to the hospital and put on life support.

The Lake County Coroner ruled his death a homicide by head trauma after an autopsy.

Three teenagers face reckless homicide and robbery charges. 18-year-old Courtney Sherman, a passenger at the time of the incident, is being held on $500,000 bail.A 16-and-17-year-old are also charged and being held at a juvenile detention center.

"Young people don't think of the ramifications of their actions," Deputy Chief Scott said. "They think of what they're planning on doing and they don't think of the things that can go wrong ... with this, everything that could have went wrong did, and it can't get more serious than it is right now."