San Diego police are investigating another note threatening violence at Rancho Bernardo High School, the fourth threat involving written notes or messages posted to social media in three days.
The note found in a boy's restroom warned something would happen in fourth period on Friday, SDPD Officer Martinez said.
Investigators were at the school and determined the threat was not credible.
No one has been arrested or detained, police said.
Principal Dave LeMaster sent the following email Friday to parents:
"Earlier today another note was found in the same restroom as yesterday. We immediately contacted San Diego PD officers who determined the threat was not credible and that no lockdown was necessary. However, several officers remained on campus during lunch as an extra precaution. The school day has been progressing as normal and students will be released at the regular dismissal time.
We will continue to work with SDPD on investigating the origins of the notes. As always, the safety of our students and community is our top priority."
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On Thursday, a note found in the high school's bathroom stated a boy was going to come to the school and start shooting, police said.
“He was going to shoot up the school at 1:10,” said San Diego Police (SDPD) Capt. Stephanie Rose.
Students saw the note in the bathroom, took pictures of it and didn’t tell school administrators until someone finally said something, Rose said.
SDPD officers were called to the campus on Paseo Lucido just after 12 p.m. Thursday. A lockdown was ordered for the high school and a nearby middle school out of an abundance of caution, officials said.
After the lockdown was lifted at 2 p.m., SDPD officials announced three students were detained regarding other threats uncovered in the investigation.
Three 18-year-old Rancho Bernardo HS students were off campus Wednesday when one of them posted a photo to Snapchat showing them with an air soft pistol, police said.
The photo included a message that included a threat, Rose said.
“'Tomorrow it’s done' or something like that,” she said.
Two of those students were in custody--one was not, Rose said.
After the bathroom note was discovered Thursday, a 16-year-old male student messaged a 15-year-old female student and told her he hoped she would be the one shot today, according to the SDPD.
That juvenile was arrested on campus and will face charges of making terrorist threats and annoying or molesting a minor.
There were no weapons found on campus, Rose said. No one was injured.
Bernardo Heights Middle School next to the high school was also placed on lockdown as a precaution.
