moment in weeks leading up to this massacre. a moment when the mother of the suspect contacted police in their hometown and expressed concern about their son. somehow the ball was simply dropped. tonight as authorities piece together a profile of the alleged shooter, 21-year-old patrick crusias cnn is learning more. lawyers for the family say his mother contacted police weeks ago in their hometown of allen, texas, she was worried about her son owning an a k style firearm. family attorneys say the warning was nor innocuous, concerned about her son owning the weapon because of his age, maturity level, inexperience with a firearm, not that he posed a threat. >> if the call came in to el paso, a police officer will respond to the home and speak to the mother more in detail.