By Dan Gilgoff, CNN Belief Blog Co-Editor

A man arrested by Dearborn, Michigan, police and charged with possessing explosives in connection with making terrorist threats was targeting one of America's largest mosques, according to officials at the Muslim house of worship.

A 63-year-old California man was arraigned Wednesday and charged with one count of false report or threat of terrorism and one count of explosives - possession of bombs with unlawful intent - the Dearborn Police Department said in a press release Sunday.

Roger Stockham was in possession of Class C fireworks, according to Dearborn Police Officer Brandon Nichols.

The felony charges carry maximum sentences of 20 years and 15 years respectively, Nichols said. Stockham is being held on $500,000 bond with a requirement of a GPS tether if bond is posted, according to the police department's release.

Dearborn police informed the Islamic Center of America on Tuesday that they had arrested an individual with "a large quantity of fireworks in his car" in the mosque's parking lot a day earlier, a Sunday press release from the mosque said.

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