identified and at least one of them linked himself to isis on social media. tonight we learned from a source that the other would be terrorist spent a few years in pakistan in the 1990s. his father was pakistani and the sources describe his mother as white american. we ll have more on what we re learning about both gunmen in just a moment. meanwhile, united states authorities are looking into whether the incident in texas has any link to international terrorism as investigators try to piece together the timeline for the plot. cnn justice correspondent pamela brown reports tonight. god bless america reporter: the incident unfolded quickly in a dallas suburb at a controversial art exhibit showing cartoons of the prophet muhammad. police say the two men pulled up to the parking lot in a dark-colored sedan. a patrol car blocked the entrance. a police officer and a security guard stepped out of the car. the attackers both in bulletproof vests jumped out of their car with ass
god bless america reporter: the incident unfolded quickly in a dallas suburb at a controversial art exhibit showing cartoons of the prophet mohammed. police say the two men pulled up to the parking lot in a dark-colored sedan. a patrol car blocked the entrance. a police officer and a security guard stepped out of the car. the attackers both in bulletproof vests jumped out of their car with assault rifles and opened fire. the unarmed guard was shot in the ankle. the officer, armed with only a service pistol killed both gunmen. under the fire that he was put under, he did a very good job. and probably saved lives. we re going to stop this right now. reporter: the controversial event inside was nearing an end when the shots were fired. security moved the 200 people attending to a secure location. none of the attendees were hurt. we were actually walking out and the officer starts blowing a whistle and telling people to get down. reporter: simpson is believed to h
one of with the two gunmen killed claims allegiance to isis prior to the attack. a lot ahead for you this hour. but we want to begin with this. president obama today, with tensions still simmering in baltimore, he addressed conditions that exist in many communities of color. here s what he pointed out that a lot of young people, especially boys and young men, don t feel that society gives them a fair shake. here he is. too many young men and women feel like no matter how hard they try, they may never achieve their dreams. and that sense of unfairness and a powerlessness, of people not hearing their voices that s helped fuel some of the protests that we ve seen in places like baltimore and ferguson and right here in new york. the catalysts of those protests were the tragic deaths of young men and a feeling that law is not always applied evenly in this country. in too many places in this country, black boys and black men, latino boys latino men, they experience being treate