Nathan Dominick Rojas, 30, was arrested August 26 and is facing child sexual abuse charges, police said.
Rojas, of Sierra Vista, is facing sexual conduct with a minor and two counts of sexual abuse, according to a Sierra Vista Police Department news release.
Rojas was booked into the Cochise County jail.
On August 25, detectives investigated a report of a child molestation involving a 5-year-old child by a family acquaintance.
Detectives served a search warrant the next day at a house on Silverado Drive, near Coronado Drive, and Rojas was taken into custody, authorities said.