Crime & Safety

Markham Teen Charged in Tinley Park 7-Eleven Murder Held Without Bond

The alleged triggerman jailed in connection with last week's 7-Eleven parking lot murder appeared at the Bridgeview courthouse and was sent back to jail without a bond.

The Markham teen charged with gunning down a man he met through Craigslist to barter electronic equipment appeared at the Bridgeview courthouse Tuesday morning and was sent back to jail without a bond.

READ: Markham Teen Charged With Murder in 7-Eleven Shooting

Christopher Dyson, 18, faces murder and armed robbery charges in connection with Thursday's fatal shooting of 24-year-old Thomas Mastro of Tinley Park.

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Dyson and Mastro reportedly met outside a Tinley Park 7-Eleven so Dyson could trade his iPhone for Mastro's Playstation 3 and Playstation Vita. The deal reportedly was set up after Mastro posted an ad on Craigslist.

READ: Tinley Park Man Fatally Shot in Argument in Store Parking Lot

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Dyson tried to rip Mastro off, then pulled a gun and shot him in the chest, police said.

Dyson fled north on Oak Park Avenue, police said. He was captured around 147th and Oak Park Avenue in Oak Forest after a 45-minute manhunt by Tinley Park and Oak Forest police, as well as other area law enforcement agencies.

He was taken to the Cook County jail and appeared at the 26th Street courthouse Saturday.

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Mastro was taken to Palos Community Hospital in Palos Heights, according to a statement released by the Village of Tinley Park. He was pronounced dead at the hospital.

Cook County Judge Joan O'Brien scheduled an April 15 hearing for the return of the criminal indictment against Dyson.

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