Man arrested after SJ police find over 100 pounds of explosive material at building, home

SAN JOSE, Calif. (KGO) -- San Jose police discovered more than 100 pounds of explosive materials and devices after responding to a burglary report.

The initial discovery happened on Monday, just after 4 a.m. at a commercial property near Old Bayshore Highway and highway 101.

MORE: Photo evidence, surveillance video released of San Jose transformer explosion suspect

Investigators say the surveillance video helped link Peter Karasev to two explosions of PG&E transformers in San Jose.

There they found what appeared to be a destructive device manufacturing operation.

Police then identified a suspect as Adam Mirassou, who was arrested at his house and booked into the Santa Clara County Jail.

MORE: SJ neighbors return home, exhale after police remove explosive materials from suspect's house

Officers found more explosive materials at his home. In total, they found precursor explosive-making materials, assembly equipment, and completed explosives.

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