just the innovation and courage to lead. join me. the fbi and department of homeland security are warning faith communities of potential more violence to come. they say they ll likely continue to be targeted, these faith communities, by domestic and foreign extremists. this disturbing report comes as the jewish community is reeling from a hostage standoff at a synagogue in colleyville, texas, outside dallas. the suspect in that incident, a british national, with extremist islamist views, is now dead. but as cnn s ed lavandera reports, investigators have now turned their attention to the uk to find out more about what the fbi is calling a terrorism-related attack.