Florida this week started construction on a migrant detention facility the state is billing as “efficient” and “low-cost” – because Mother Nature will provide much of the security. “Alligator Alcatraz,

The Department of Homeland Security signed plans to house up to 5,000 people in Florida who are either arrested by state officers or detained by federal immigration authorities.

The construction of the facility in the remote and ecologically sensitive wetland, days away from being operational, about 45 miles west of downtown Miami is alarming human rights advocates and environmentalists.