kristopher block of laporte post office is busy with mail . postal service began when a deputy with the berrien county sheriff ’s office in michigan found multiple tubs of standard , undelivered mail in a a letter carrier based in la porte , indiana , has resigned after postal investigators interviewed him about thousands of pieces of mail found in michigan . arney said block had a primary route in la porte , but also would assist with at least four other routes , as well . in that time , court records obtained by wsbt 22 allege he did n't deliver thousands of pieces of mail . wsbt 22 reported tuesday night that there 's now a warrant out for a former mail carrier 's arrest . the investigation started after 11,000 pieces of mail in another state and of hiding another 6,000 pieces at home is now facing criminal charges . kristopher block , 39 , of laporte , was charged tuesday in laporte circuit court with a felony for official misconduct and a misdemeanor for theft , according to online court documents . a warrant for his arrest has been issued , but online jail records indicate that block has not yet been taken into custody .