. >> reporter: haley brophy's been sounding the alarm for a long time. she claims another student, a male with a prior arrest for bringing a knife to a protest has been making threatening statements to her and others for months. >> >> he made direct threats against the multi-cultural center. he participated in hate speech, ma made ma soj nis particular comments and was a threatening figment. >> reporter: brophy's mother put a lengthy post on facebook, a warning to others. this e-mail was sent to students on monday saying the social media post was full of misinformation and insisting the campus was safe. a spokesman told us there is no evidence that those threats reported by brophy and this week's graffiti are related. but both incidents are still being investigated. in pleasant hill, laura anthony, abc 7 news. >>> stay with us. on abc 7 new, a laptop that doesn't follow the regular script. find out who was robbed and who came to help. >>> i'm leanyanne melendez in s francisco. pg a pg&e unveils its safety program. a work in progress. >>> san francisco co