nancy dunham in 2003 and ron curvy late last year. many are asking, could they be connected? >> somebody coming in and killing him for no reason at all, no rational thought. like being struck by lightning. >> reporter: darcy spencer, news 4 today. >> and many people living in the community are feeling a mix of sadness and fear. and that's leading them to change their habits. more people are saying they are locking their doors and refusing to answer the doors to strangers. some are adding security, like peepholes to their front doors. outside ladados home, there's a growing number of memorials and sheet music. police say they will keep a strong presence in that community. if you recognize that man, call police. we have posted the sketch and interviews with neighbors on our website. >>> happening today, two major meetings about possible changes coming to d.c. neighborhoods. the first is a major proposal to revise the master plan for ward one. jim gran will talk about the review. the meeting is happening on gerard street northwest. it's happening at noon. and then the second mee