The case has become national news: Arizona sixth-grade teacherBrittany Zamora, 27, is accused ofsexually abusing a 13-year-old student. Police say she sent him inappropriately sexual texts and later had sex with him multiple times.

Liberty Elementary School District Dr. Richard Rundhaug told the station that all three statements to Dickey, from Feb. 7, were exactly alike and alleged “elements of favoritism” in Zamora’s classroom regarding the alleged victim.

In the police reports, the principal, Tim Dickey allegedly acknowledged to detectives that he only spoke to one of the students — and now realized that it was a mistake in the wake of the police allegation that Zamora began sexually abusing the boy on Feb. 16.

But in his statements to12 News, Rundhaug maintained that the principal interviewed several students after he immediately launched a two-day investigation. Zamora and the alleged victim were also interviewed, and both denied a sexual relationship. Rundhaug told the station that the principal allegedly found no evidence to suggest that anything sexual had happened.

PEOPLE’s calls to Dickey were not immediately returned.

Maricopa County Sheriff’s Office

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According to the police reports, before the two allegedly had sex, Zamora set up a class chatroom called “Class Craft.” The alleged victim told police that Zamora announced that she wasn’t going to be at school, so she asked her students to text her because she would be “bored.”

The abuse came to the attention of authorities after the parents found explicit texts — including naked photos — on their son’s phone, police allege.

The alleged victim’s stepmother told police that she noticed that the boy was acting suspicious and wanting to shut his door at night. She said she installed a parental monitoring app called “Sentry” on his phone. The stepmother said that she began to receive alerts about inappropriate texts, so she confronted the boy. He allegedly admitted having sex with Zamora, according to the police reports.

Zamora was arrested in March and has been charged with two counts of molestation of a child, one count of furnishing harmful material and nine counts of sexual conduct with a minor.

She has pleaded not guilty to the charges, and has been released from jail on $250,000 bond. An attorney for Zamora did not return PEOPLE’s call for comment. PEOPLE’s calls to the school district have not been returned.

source: people.com