have been killed too. he was scared. a lot of people are scared now. reporter: police say the suspects stabbed his victims from behind with a single thrust. almost all of the victims have been african-american. investigators can t be sure the suspect is gone or won t come back until he s arrested. we are covering all contingencies. we wouldn t be doing our job if we assume this person or this danger left our community. reporter: this updated pictures shows a late 90s to early 2000 green chevy s-10 blazer, similar to the one the suspect is driving in all three states. the suspect suv does not have a bug shield. at the apartment complex where a 67-year-old was stabbed, a young man who wants to remain anonymous remembers it vividly. i saw blood and i heard him screaming. reporter: investigators are working closely with the fbi and police in michigan and ohio. no one knows where he might strike next. leesberg police say they have received more than 100 tips in the la