Update: May 26, 4 p.m.:
Hispanic Leadership Fund President Mario Lopez said Ted Cruz has never held any leadership position with his group. Also, the group does not support amnesty, he said.
"If David Dewhurst wants to deceitfully lump us in with leftist organizations that actually do promote amnesty, then all he is accomplishing is demonstrating to Texas voters how intellectually shallow he is," Perez said.
Cruz spokesman John Drogin also confirmed that Cruz has never held any leadership position with that group.
Dewhurst spokesman Matt Hirsch said the campaign stood by the ad's contention that Cruz "helps ...