A north Auckland drug rehab centre raided by police this week was founded by the mother of three senior gang members, Newshub reports. Officers found almost half a kilogram of methamphetamine, a kilogram of pseudoephedrine, more than $5000 in cash and a weapon. The woman who operates the facility, Matilda Kahotea, was the mother of three high-up Head Hunters gang members. Police spokesperson Mark Mitchell warned it looked like rehab centres were becoming gang pads, and he said the bust was a serious failure of the justice system.