barbara thornton is proud of her son who says he probably saved her life and the life of others. >> i am blessed, and i thank god that my son was there. at the time, i was hoping that he wouldn't do anything, but he did. and i am just glad that he is safe. i don't know how many people would have gotten shot if he had not been. but the man just kept walking towards us. >> reporter: the suspect also remains hospitalizeedthis morning. police say he got the gun from his roommate who is a military police officer over at nearby ft. myer. this started as an argument between the two roommates. none of the three people who were shot have life-threatening wounds. officer thornton is in stable condition this morning. his mother says today is his birthday. joe, back to you. >> michael, thank you very much. >>> this is the second shooting involving a capital police officer in just two days. on wednesday, officers shot and killed 27-year-old white just blocks from the capital building. he would not drop his gun.st he fired at the officers and was killed during the shoot-out. white has been arrested