MEXICO CITY — Mexican federal police arrested the father-in-law of alleged drug lord Joaquin Guzman on Tuesday across the border from Douglas without any shots fired, authorities said.

Ines Coronel Barreras, 45, was detained in Agua Prieta, Sonora, along with a 25-year-old son and three other men, Interior Deputy Secretary Eduardo Sanchez said.

Coronel is the father of Guzman’s third wife, Emma Coronel Aispuro, who married the purported gang boss in 2007 in a mountainous town in Durango state, Sanchez said.

He said officers arrested Coronel and the others at a warehouse and seized four automatic rifles, a handgun and more than 550 pounds of marijuana.

Coronel was in charge of smuggling marijuana for the Sinaloa drug cartel across the Mexico-Arizona border, Sanchez said.

Read more in Wednesday's Arizona Daily Star and at