UPDATE: A third suspect connected to the killing of a 15-year-old last month turned himself into police Thursday, the Chattanooga Police Department says.

Lebron Collier, 18, is now the third teen charged after the deadly shooting on Read Avenue, according to an affidavit obtained by Local 3 News.

Mauricio Velasquez and Malik Allen, both 18, were arrested in late July during the investigation.

All three face the following charges:

Second-degree murder

Attempted first-degree murder

Reckless endangerment

Collier's bond is set at $750,000, and he is set to appear in court on Tuesday, August 12.

The other two suspects are also being held at the Hamilton County Jail; Velasquez on a $1 million bond and Allen on a $600,000 bond.

This is a developing story.

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