A Vincennes man is accused of driving a moped while on drugs with his 11-year-old son onboard.
Indiana State Police arrested Karl Tislow.
He was pulled over on St. Clare Avenue for ignoring a stop sign. Police say Tislow's speech was slurred, he was unsteady, and could barely stay awake.
Police say he was under the influence of several controlled substances.
Tislow is being held on bond at the Knox County Jail.