C????n? provides a ??m?l?r psychomotor stimulant influence to th?t ?f amphetamine and r?l?t?d ??m??und?. It raises transmitter ??n??ntr?t??n? ?n b?th th? n?r?dr?n?rg?? ?nd the d???m?n?rg?? synapse ?nd also ??t? ?? ?n ?n???th?t?? agent. WASHINGTON (AP) — No fingerprints or DNA turned up