A suspected arsonist pleaded guilty in a Pennsylvania court on Tuesday after being accused of setting fire to Gov. Josh Shapiro's mansion in April as Shapiro and his family were asleep.Cody Balmer, 36, appeared for the plea hearing at the Dauphin County Courthouse in Harrisburg wearing a dark red jumpsuit, handcuffs and ankle chains.Balmer pleaded guilty to all charges, including attempted murder, aggravated arson, burglary, terrorism and other related offenses.Balmer allegedly set the fire at around 2 a.m. on April 13 after Shapiro and his family celebrated the first night of the Jewish holiday of Passover. Shapiro and his family were asleep at the time of the incident.This is a developing news story. Please check back for updates.