Crime & Safety

Alleged Tinley Park Craigslist Killer’s Lawyer Gets Evidence

Prosecutors turned over evidence in the case of a teen charged with gunning down a young man over video games.

By Joseph Hosey

A prosecutor said he surrendered evidence to the lawyer for a teen charged with gunning down a man he met through Craigslist.

Christopher Dyson, 19, has been locked up in the county jail since he was arrested in connection with the murder of 24-year-old Thomas Mastro in May.

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.

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

During a Thursday morning hearing at the Bridgeview courthouse, Assistant State's Attorney James Sarros told Cook County Judge Colleen Hyland he turned over "numerous" items of evidence, including compact discs and lab reports, to Dyson's lawyer, Steven Becker.

Judge Hylan confirmed there is more evidence to be exchanged and set a court date in October.

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