Baltansar Martinez, 25, who says he's from Englewood, Colorado, goes to Denver police voluntarily to answer questions about the bombing of 35 school buses last Thursday. Martinez and his lawyer, Harry Nier, were to return for more questions by arson investigators Monday.Both deny Martinez had anything to do with the $200,000 damage to the buses.

Photo is dated 1970.

Photo measures 8 x 9.75 inches.