WASHINGTON, Oct. 2 -- Sen. Susan Collins issued the following press release:

WASHINGTON, D.C. - U.S. Senators Susan Collins, Tom Cotton (R-AR), Pete Ricketts (R-NE), and Ted Budd (R-NC) wrote to U.S. Attorney General Todd Blanche urging the Department of Justice (DOJ) to investigate the increasing number of illicit drug enterprises operated by Chinese criminal organizations on American soil.

Their letter cites a Drug Enforcement Administration (DEA) report that described the wide-ranging network of illegal Chinese marijuana grow operations that have expanded across the United States.

Earlier this year, Senator Collins helped secure provisions to address Chinese-linked illicit drug operations in the National Security, Department of State,...