reporter: just on this street that i checked into, 16th street east, i found out harassment, assault, i also found a sex offender who lives down the road. reporting in rochester, brianna long, abc news. i wouldn t even think to look into something like that. in this day and age, it s a good thing to have. it s the time of year. my child is very small. i ll be with him all the time. alexis is 10 now. she goes into her teenage years, she s going to say, no more, dad. you want to know where these people live. it s a good thing to know year round, not just halloween. right? downloading it now. the halloween fun is not even close to coming up. up next, we ll unveil our costumes. you ll have to wait to see what they are. in our next half hour, america s obsession with the undead. how the horror classic cult dead is rising. you re watching world news now.