Authorities say the investigation began in April after detectives identified Jason Grant and Joseph Grant as suspects in an alleged illegal cannabis distribution network. Jason & Joseph Grant/Greece, NY Police Department Jason & Joseph Grant/Greece, NY Police DepartmentPolice arrested Joseph Grant, 31, of Webster, and Jason Grant, 29, of Rochester, following the execution of the search warrants. Jason & Joseph Grant/Greece, NY Police Department Jason & Joseph Grant/Greece, NY Police DepartmentAccording to Greece Police, both men were processed at the Monroe County Jail for CAP Court. Record Illegal cannabis seizure/ Office of Cannabis Management Record Illegal cannabis seizure/ Office of Cannabis ManagementWhen search warrants were executed, officers seized:More than 615 pounds of cannabis flowerRoughly 20,000 pounds of concentrated cannabis productsMore than $219,000 in cashA privately manufactured "ghost gun"Six vehiclesMultiple pieces of luxury jewelryAdditional evidence tied to the alleged trafficking operationAccording to the Office of Cannabis Management, the products have an estimated retail value of more than $17 million, making it the largest illicit cannabis seizure in the agency's history. Record Illegal cannabis seizure/ Office of Cannabis Management Record Illegal cannabis seizure/ Office of Cannabis ManagementOCM officials also raised concerns about what was inside the operation.