Thursday police charged 17-year-old CharlesThompson with first degree murder in the October 8th death of 64-year-old John Versypt.
Thompson made an initial appearance in a Johnson County courtroom, Thursday.
He's only 17 years old, but because he's charged with a forceable felony, he will, under state law, be tried as an adult.
Thompson is charged with killing Versypt, in what investigators believe was an attempted robbery.
Police say Versypt of Cordova, Illinois was doing maintenance work on one of his Iowa City properties when he was shot in the head with a hand gun.
Police say Thompson fit the description witnesses gave of one of the people fleeing the scene.
Thompson was first taken into custody back on October 12th for an unrelated charge. It's not uncommon for a murder arrest to take several months to materialize.
"You want to be very careful, you want to have a thorough investigation. You want to wait for lab results to return to match that. It's a major charge," said Denise Brotherton with the Iowa City police.
The investigation continues. Police have other people of interest in this case.
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