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Arrests could come as early as this week in the alleged rape of six Spanish tourists in Acapulco, the lead investigator in the case told CNN on Wednesday.

Mexican authorities have identified the suspects and are monitoring them, said Marcos Juarez. Fifty investigators were working the case.

The six women were among 14 people victimized by hooded gunmen who burst into a beach bungalow in the resort town before dawn Monday. There are seven suspects between the ages of 20 and 30, Juarez said.

In addition to the rapes, the men stole cell phones, iPads and tennis shoes from the victims, investigators said.

Investigators believe that the victims bought drugs from one or more of the suspects a day or two earlier, and that the victims knew the suspects, Juarez