Mexican army Col. Salvador Bejaralo Gomez said the troops came across the cocaine Thursday afternoon near the town of Buenaventura, about 120 miles north of Chihuahua, capital of the northern state by the same name.
Judge Sofia de Roldaan also was killed by suspected cartel assassins in the port of Buenaventura on Colombia's Pacific coast, 500 miles south of Medellin, police said.
Sammy's parents, Rosa Lilia and Armando Aguirre of Buenaventura in northern Mexico, were by his side when he died, Ms. Bodell said.
Bejaralo said the cache was found inside large canvas bags Thursday near San Buenaventura, about 120 miles north of Chihuahua, the capital of Chihuahua state.