NEW : The attack is similar to previous killings at drug rehab centers . Victims in Tijuana shootings ranged in age from 19 to 56 years old . Comment: Most of the victims were youths who had no ties to organized crime . Sunday night 's killings in Tijuana came one day after 14 people were killed at a Juarez party .
NEW : The attack is similar to previous killings at drug rehab centers . Victims in Tijuana shootings ranged in age from 19 to 56 years old . Comment: Sunday night 's killings in Tijuana came one day after 14 people were killed at a Juarez party .