and robert brannen thinks the robbers may be taking advantage of those changes. >> even how the policeo their own surveillance and routine >> reporter: in a press release yesterday, george hawkins of d.c. water revealed a number of security enhancements the agency is doing, including the lighting survey and removing some curtains directed to dampen construction sounds. he reminded residents there was a 24-hour hotline. he added -- no one should have to fear walking down the street in their own neighborhood. we will continue to work to respond to this troubling and tragic series of crimes. kerry janeane quinn is head of the civic association. >> we thought this was a great opportunity to allow the people who knew him best to tell us a little bit more about him so that we can have a greater appreciation of who he was as a friend, a son, and a member of the community. >> reporter: and that vigil is scheduled for tomorrow night, 7:00 here in bloomingdale. live in northwest back to you. >> thank you. >>> sources tell nbc news tonight that we could learn as early as friday who donald trump w