OAK CREEK, Wis. – Before he strode into a Sikh temple with a 9mm handgun and multiple magazines of ammunition, Wade Michael Page played in white supremacist heavy metal bands with names such as Definite Hate and End Apathy.

The bald, heavily tattooed bassist was a 40-year-old Army veteran who trained in psychological warfare before he was demoted and discharged more than a decade ago.

A day after he killed six worshippers at the suburban Milwaukee temple, fragments of Page’s life emerged in public records and interviews. But his motive was still largely a mystery. So far, no hate-filled manifesto has emerged, nor any angry blog or ranting Facebook entries to explain the attack.