ALBUQUERQUE, N.M. (AP) – The New Mexico attorney general says the man accused of killing his wife and four daughters before escaping to Mexico has been transferred into the custody of Interpol.

Attorney General Hector Balderas said Thursday that the suspect, 34-year-old Juan David Villegas-Hernandez, is being held in Hermosillo, a city 180 miles directly south of Nogales, Arizona.

Formal extradiction proceedings are underway.

Villegas-Hernandez is charged with first-degree murder in the killings of his wife, Cynthia, and children – ages 14, 11, 7 and 3.

A Roswell police spokesman says he also has been indicted on four counts of intentional child abuse resulting in death.

The victims’ bodies were found late Saturday night at their home in Roswell. Authorities in Mexico say they apprehended Villegas-Hernandez the next day in his hometown of Arizpe.

Authorities say the suspect has dual U.S.-Mexico citizenship.