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Arrest made in cyber threat to students who talked about shooting

OCEANSIDE — Samuel Ruiz, 18, was arrested on Jan. 21 for sending life-threatening text messages to El Camino High School students.

In March 2013, following the shooting at Libby Lake Park that killed two juveniles and injured two others, several students at El Camino High School received threatening text messages from sender “Bart Cheng.”

The text messages essentially said the sender would kill the students if they did not stop talking about the shooting.

Oceanside police detectives identified Ruiz as a possible suspect, but Ruiz denied being Bart Cheng.

Then in late December 2013 a student at El Camino High School received a life -threatening text from “Cheng.” The text said “187 when you return from winter break.” The term “187” refers to Section 187 of the California Penal Code, which defines the crime of murder.

The student responded asking the sender to identify himself. To which the sender replied, “Blood drop. You’ll see.”

Detectives traced the texts to Ruiz’s phone and secured a warrant.

In January Oceanside detectives and MiraCosta College police arrested Ruiz while he was in class at the college.

Ruiz was charged with making criminal threats, cyber bullying and possession of an illegal weapon on campus.

During an interview with Detective Mark LaVake, Ruiz admitted that he is Bart Cheng and he sent the text messages.

Ruiz was later booked into the Vista Detention Facility.

Lt. Leonard Cosby, of Oceanside field operations division community policing, said Ruiz has no connection with the Libby Lake shooting and no gang affiliation.

Ruiz’s first cyber bullying messages were sent days after the shooting while police were still investigating the incident and asking for community assistance in solving the crime.

By March 30, 2013, three men and one 17-year-old male were arrested and charged with murder for the March 13 shooting. All four are identified gang members.

Ruiz also had no relationships with the victims he bullied.