Police are giving an update Tuesday on the school shooting at a private Christian school in Madison, Wisconsin, that left a teenage student and a teacher dead. Five students and one teacher were also wounded in the shooting Monday at Abundant Life Christian School,

Authorities in Madison said they are looking into the 15-year-old assailant's online activity, as well as a purported manifesto and potential bullying.

The motive for Monday's shooting at Abundant Life Christian School in Madison, Wis., that left three people — including the shooter — dead was believed to be a "combination of factors," according to police.