ELOY, AZ - A 28-year-old Casa Grande man has been arrested in the murder of a woman whose decomposing remains were found in the desert this week .
Susan Danielle Ronquillo, 21, was last seen in Eloy on July 11 and reported missing on July 19, according to Eloy police.
Her remains were discovered on Monday by detectives in a remote desert area on July 28.
Javier Martinez was arrested on Wednesday and has been booked into the Pinal County Jail on charges connected with the murder, police said.
Police previously arrested 33-year-old James Robles after detectives found the victim’s remains.
Detectives continue to investigate Ronquillo’s murder and police say more arrests are likely.