In less than one hour, two armed robbers hit three different trailer parks in Kokomo. Early Thursday morning, police say two armed and masked men pushed open the front door to a home at Riley Modern trailer park and threated everyone inside. The robbers did the same at a home in the Bon Air Trailer Park. Less than ten minutes later, another intrusion at a third nearby park. Police arrested 19-year-old Markisus Christopher and are still looking for another suspect.