“HANDLER?!?!” Who needs a HANDLER?! K9 ATOS reporting for service sir! City of Marietta, Ga., Government Did you know MPD replaced their old “T3” low speed vehicles with new TRIKKES?! Look for them patrolling the square this spring! Original Post from Marietta Police Department Facebook page. Trikke Professional Mobility products and solutions have helped countless organizations, police departments and businesses improve their overall efficiency, presence and relationships within their communities….