LANCASTER – A former U.S. Postal Worker and a second individual were convicted of conspiring to sell cocaine in Lancaster County. 57-year-old Carlos Medina of Lititz was found guilty of possessing with intent to deliver cocaine and other charges by a Lancaster County Judge. 50-year-old Estanislao Sanchez-Diaz of the Dominican Republic also pleaded guilty. The two are scheduled to be sentenced May 3 following the completion of a pre-sentence investigation. The Department of Homeland Security was contacted by Customs and Border Protection in reference to a parcel that was seized after being shipped from Puerto Rico to a Lancaster County residence. Homeland Security was contacted again regarding a similar package being shipped to a second location in Lancaster County. Tests on both packages yielded positive results for cocaine. Medina admitted that he delivered parcels on his mail route, knowing the contents were illegal, and accepting $1,000 per delivery of the parcels.