ST. CHARLES, Mo. (First Alert 4) - A St. Charles woman is accused of fatally shooting and stabbing her 16-year-old son.

Krista Roy, 47, is charged with first-degree murder and armed criminal action.

Police say they received a call just before 11:00 a.m. Tuesday about a welfare check on a 16-year-old boy in the 3200 block of Lightfoot Drive. When officers arrived, they found the victim dead inside a home.

Officers say Roy later confessed to killing her son.

Roy is being held on $1 million cash-only bond.

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