Edwin López-Cornejo’s family and lawyer allege that he was medically neglected at Delaney Hall.

Edwin Lopez Cornejo died Aug. 1, his family said. Cornejo's mother blamed her son's death on him not receiving medications needed to treat his diabetes.

Edwin Lopez-Cornejo, 41, had been detained at the Delaney Hall Detention Facility in Newark, according to the Immigration and Customs Enforcement.