. >> reporter: neighbor, terry meher says a couple with two children moved in. >> we would see them comeound the age of 18 to probably around 24. different vehicles, never got to know them. >> reporter: the spokesman for the contra costa sheriff department says what -p -- happened here was not a random crime. that the victim and suspect knew each other but he would not identify the presumed shooter who has not yet been arrested. the sheriff's department will not elaborate on what happened at this home or how the victim and suspect knew each other. but they do tell me that the shooter is not a threat to others who live in this neighborhood. of course that is a small comfort to them given that they are just looking for explanations and answers. reporting live in pinol, patti lee, ktvu news. >>> a string of six drive by shootings in five day has police looking for possible investigations. the most recent happened yesterday at 5:15 in the evening near brawn avenue. one person was wounded but is expected to recover. another person suffered minor injuries possibly from shrapnel when he was sho