Pennsylvania Gov. Josh Shapiro’s mansion was the target of an arson attack last weekend, but the attacker's motives are unclear.

An independent expert will review security at Pennsylvania Gov. Josh Shapiro’s official residence after investigators accused a man of scaling a wall and setting fire to the mansion.

A relative says the man accused of purposely setting fire to Pennsylvania Gov. Josh Shapiro’s official residence had struggled with his mental health and was twice treated at a psychiatric hospital in recent years.