CLAYTON — A third person was charged Sunday with shooting and killing a woman last month while they was trying to rob her son.
Darron Cook is the third person charged in the Sept. 15 robbery that killed 39-year-old Ashleigh Selmon and paralyzed the man accused of shooting Selmon.
Investigators wrote that Selmon's son was working on his car at about 8:30 p.m. in a parking lot in the 6400 block of North Drive in University City, with two people and Cook.
Cook's co-defendants, Carlione Boyd, 20, and Terrell McCann Jr., 22, approached the group and Boyd pointed a "black Beretta-style semi-automatic handgun" at Selmon's son's head, police said.
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Selmon's son was able to grab the gun from Boyd and fired at both Boyd and McCann as he ran from the scene, police wrote in charging documents. McCann was hit by gunfire but continued to shoot toward Selmon's fleeing son as McCann "retreated to his home."Â
One of those shots went through an apartment door and hit Selmon. She died at the scene, police said. The whole thing was captured on surveillance video.
McCann's bullet wound paralyzed him, police said.
Investigators said after the shooting they discovered that Cook had texted someone he was planning a robbery that day. He also had told Boyd to let him know when he got to the area and told him to "grab the bookbag."
Boyd then shared a screenshot of Cook's text and said "finna go rob someone right now" just a few hours before the shooting.
Cook, who is in his mid-twenties, was charged with second-degree murder, attempted robbery and armed criminal action.
Boyd and McCann are charged with second-degree murder and first-degree attempted robbery.
As of Sept. 26, court filings said that McCann is still hospitalized and not fit for confinement. When he is fit, he will be held on a $500,000 cash bond.
His two co-defendants are in jail on a $500,000 cash bond.
The men's second-degree murder charges fall under a Missouri law that says a person can be charged with felony murder if someone is killed as a result of or during the commission of another felony crime.