A Neighborhood Watch leader was being held without bail in the Polk County Jail Monday for allegedly stabbing a 15-year-old girl to death.

Mark William Kuzara is charged with first-degree murder.

Authorities said Stacey Lynn Gloe had been stabbed nine times when they found her in Kuzara's home early yesterday. Kuzara told police he acted in self-defense, but investigators said the evidence points to murder.

According to police, Kuzara served Stacey and a friend alcohol. The friend left Kuzara's home about an hour before Kuzara called 911 to say someone had been stabbed and needed medical attention.