Authorities added four people were arrested as part of the operation.
HOUSTON, Texas (KTRK) -- Investigators released new details on Thursday involving several Houston-area nightclubs where human trafficking allegedly took place.
According to authorities, 84 people were rescued as part of nine raids conducted simultaneously on Oct. 18 in what officials believe could be the largest operation of its kind in Texas history.
Officials said the following bars currently have their licenses suspended by the Texas Alcoholic Beverage Commission (TABC) as a result of this investigation:
The investigation involved local, state, and federal agencies, including the Houston Police Department, Harris County Sheriff's Office, and FBI.
ORIGINAL REPORT: Only on 13: At least 50 sex trafficking victims rescued after raids on 9 Houston-area businesses
Authorities said 200 members of law enforcement were involved, but none were injured.
Four arrests have been made, though officials have not released the identities of those people.
The 84 victims rescued were said to be living in terrible conditions, according to the chairman of the TABC, Kevin J. Lilly, who pointed to cartels as the source during a press conference Thursday but would not say which ones.
"They look on the outside like a regular bar or a nightclub with a bar, a dance floor, pool tables - but behind them is a labyrinth of hidden rooms, cement floors, closet-sized with soiled mattresses," Lilly said. "An actual house of horrors hiding within the trapdoors and secret doors of these establishments."
The chairman said the victims endured sexual assault every day in hidden rooms and areas beyond the initial area of the bar.
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