once he started playing he was good at every position he played. >> hello, everyone, my name is antonio armstrongirst class training. >> once antonio's professional football career was over, he began to open up gyms. >> antonio armstrong knows what it takes to get in shape and stay there. >> and ten, good. >> they had three gyms. >> antonio worked day and night to provide and do for his family. ♪ ♪ >> a.j. grew up in the bel air area, southeast houston. bellaire is family area. there are a lot of bigger homes. >> for antonio to come from cashmere garden and end up in bellaire owning a gym in bellaire, it was day versus night, and it was a major accomplishment. >> tell me about life in your household previous to 2016. >> it was amazing. i was attending a great school. >> the kids went to kincaid, a very prestigious private school. >> he just finished up his sophomore year. he has a lot of friends. he has a girlfriend. he loves his parents. they appear to be this perfect family. >> but that picture-perfect family is now shattered with both of the armstrongs shot in their bed, and a.j. is in handcuf