Updated

Mexican police say they have re-arrested a former soldier who was allegedly one of the founders of the Zetas drug cartel.

Federal police said Friday they arrested Luis Reyes Enriquez in a raid in the Monterrey suburb of San Pedro Garza Garcia, one of the country's richest communities.

Reyes Enriquez was arrested in 2007, and spent almost eight years in custody until a judge absolved him of organized crime and drug charges in April 2015.

Prosecutors appealed that ruling, and a superior court re-instated his conviction and a sentence of 47 ½ years in prison.

Reyes Enriquez deserted the army in 1999 while he was based in Tamaulipas state. Local media said he was known by the nickname "Z-12." The Zetas were founded by deserters from an elite army unit.