They either actually have some circumstantial evidence or they don't, but either way it's circumstantial.
http://www.kvoa.com/story/38338092/t...x-trafficiking
"Police say they appreciate public awareness and the calls to their office, but they investigated and there does not appear to be any signs of human or sex trafficking."
Other side
"Anybody that walks through that site will clearly know that's sex trafficking," Veterans On Patrol spokeswoman Addie Rivera said. "That's children and women being abused. They have not been out here to collect any evidence and we have them in our possession."
News 4 Tucson asked to see the evidence. We were told it's being stored in a private area and that the evidence has not been turned over to police.
http://www1.cbn.com/cbnnews/us/2018/...afficking-camp
"Last month, Veterans on Patrol, a group that helps homeless veterans, were searching for veterans in need near Interstate 19 in Tucson when they came across what looked like an underground bunker. According to KGUN-9, they also found a
baby crib, stroller, hair dye,
wrist restraints, crates, and
pornographic material."