Teen accused of killing St. Louis County officer facing new charges

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ST. LOUIS, MO (KTVI) - The teenager charged with shooting and killing St. Louis County Police Officer Blake Snyder is now facing new charges. Trenton Forster is also accused of assault on a law enforcement officer and armed criminal action. The 18-year-old pleaded not guilty to first degree murder.

Investigators say Forster shot Snyder while the officer was responding to a domestic disturbance call. Snyder's partner returned fire, wounding Forster.