Information from a tipster who had a strange encounter with another man on a sidewalk outside Brown University was key to police identifying the suspect they believe killed two students at the school.

PROVIDENCE, R.I. (AP) — Information from a tipster who had a strange encounter with another man on a sidewalk outside Brown University was key to police identifying the suspect they believe killed two students at the school and then two days later gunned down a Massachusetts Institute of Technology professor. Known only as “John” in […]

Law enforcement officials say an anonymous tipster known only as “John” helped crack the case of two Brown University students' deaths and the wounding of nine others.