Over 4,000 fentanyl pills are off the streets after the arrest of three Valley residents last week.

After an Arizona Department of Public Safety investigation into individuals trafficking large amounts of methamphetamine and fentanyl pills, Mesa residents Michael Salazar, 41, and Dina Peralta, 50, as well as 37-year-old Robert Flores of Phoenix were arrested on numerous drug charges on Thursday, DPS said.

A residential search warrant resulted in the seizure of 87.6 pounds of methamphetamine and 4,450 fentanyl pills, along with a handgun and two vehicles,

Authorities said that all three are career criminals. Flores and Salazar are both documented gang members on probation.

Peralta, has been identified by authorities as a gang associate who had five outstanding felony warrants for her arrest on similar crimes.

All three face charges of possession of a narcotic drug, possession of a narcotic drug for sale, transportation of a dangerous drug for sale and illegally conducting an enterprise.