BERKELEY, Calif. - The BMW driver who witnesses say struck three pedestrians in Berkeley, sending them all to the hospital, had signs of drug use and performed "poorly" during field sobriety tests before he was arrested in a chaotic backyard takedown, court documents allege.

Court records indicate that Ivan Salvador Ochoa Munguia, 26, had signs of being on some type of central nervous stimulant that made him unable to sit still, make his movements uncontrollable, give him twitching hands and made his body overheat, according to the statement of probable cause.

Munguia has not yet been arraigned, but Berkeley police arrested him Tuesday on suspicion of felony assault, attempted carjacking, resisting arrest and DUI causing injury. Berkeley police also allege the BMW 525i he was driving w

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