The family of one of the suspects in a deadly shooting at a San Diego mosque this week said his exposure to hateful and extremist content online “contributed to his descent into radicalized ideologies and violent beliefs.”Subscribe to read this story ad-free Get unlimited access to ad-free articles and exclusive content.The Vazquez family apologized for the actions Caleb Vazquez is accused of, which they said there was no excuse for, and spoke out against online spaces that “normalize hatred” in a statement provided to NBC San Diego by the family’s attorney.Vazquez, 18, and Cain Clark, 17, killed three people at...