“Martin said the explosion from the room lifted up the patio slab at the back of the home and collapsed the patio roof. Martin said the patio slab appeared to be the roof of the gun safe room. Amy Wood was on the patio when the explosion occurred.”
So, she apparently had nothing to do with the cause of the explosion.
“Amy Wood was on the back patio, which sits directly over the weapons room. When the room exploded, the concrete slab she was standing on collapsed into the gun safe below. “