darcy spencer is live in northeast d.c. with more on where these attacks are happening and how authorities are responding. >> reporter: the crimes are happening here in the fifth police district. i'm told sometimes there is a delay in police response. that's because when people call 911, the person on the other end of the phone doesn't know where this trail is. bike, jog, or rollerblade on this paved path in northeast d.c. and you could become a victim of crime. over the last couple of weeks there have been numerous robberies. one woman complains on a local list serve that she was zapped with a taser as she rode her bike here. >> i'm a little shocked by it because i haven't noticed anything suspicious or out of the ordinary lately. >> reporter: we found out, if you call for help there could be a problem. residents tell me that when people have called 911, dispatchers don't know where the path is. this 1 1/2 mile stretch, known as the met branch trail, opened last year. >> this year and last year, when people were either att