katie utis is live tonight and you spoke with one of the victim's friends. >> reporter: yes, and that young man was in shock tonight, unclear why someone would target his friends and police are calling it a targeted shooting. there's a large vigil behind me, but the shooting took place about where i'm standing. and you can see here, this house, this office building, which was a house, had a bullet go through it, people had to duck who were working inside. evidence markers dot the intersection where someone shot a student just after olympic high school let out for the day. >> i was walking a guest out to the driveway to her car when i heard four pop, pop, pops. >> reporter: pam lives in concord and heard the shots around 1:30. that's when police say a black sedan pulled up, someone got out, and shot the 17-year-old boy who was standing in a group. friends shared this photo, and identify him as lawrence jansen. >> soon as i heard, i just came down here and sat here. sat here for like an hour opinion. >> reporter: calvin said jansen was his friend and a fellow student at nearby olympic.

katie utis is live tonight and you spoke with one of the victim's friends. >> reporter: yes, and thatan was in shock tonight, unclear why someone would target his friends and police are calling it a targeted shooting. there's a large vigil behind me, but the shooting took place about where i'm standing. and you can see here, this house, this office building, which was a house, had a bullet go through it, people had to duck who were working inside. evidence markers dot the intersection where someone shot a student just after olympic high school let out for the day. >> i was walking a guest out to the driveway to her car when i heard four pop, pop, pops. >> reporter: pam lives in concord and heard the shots around 1:30. that's when police say a black sedan pulled up, someone got out, and shot the 17-year-old boy who was standing in a group. friends shared this photo, and identify him as lawrence jansen. >> soon as i heard, i just came down here and sat here. sat here for like an hour opinion. >> reporter: calvin said jansen was his friend and a fellow student at nearby olympic. sky 7 sh