A 44-year-old Jordanian citizen residing in Orlando has pleaded guilty to vandalizing a solar power facility and threatening to “destroy or explode” businesses that support Israel.

On Friday, December 20, Hashem Younis Hashem Hnaihen pleaded guilty to four counts of threatening to use explosives and one count of destruction of an energy facility.

According to court documents, Hnaihen targeted and attacked businesses in the Orlando area in June for their perceived support of Israel. Under the cover of night, Hnaihen wore a mask and smashed the glass front doors of local businesses before leaving behind “warning letters.”

In these letters, which were addressed to the United States government, Hnaihen laid out a series of political demands that culminated in a threat to “destroy or explode everything here in whole America. Especially the companies and factories that support the racist state of Israel.”

Hnaihen’s attacks escalated, and he broke into a solar power generation facility in Wedgefield, Florida, in late June. While at the facility, he spent hours destroying solar panel arrays, smashing panels, cutting wires, and targeting electronic equipment. He left behind two more copies of his “warning letter” before fleeing from the area.

The attacks caused around $500,000 in damage.

Multiple law enforcement agencies joined forces to investigate the attacks, which led to Hnaihen being identified as the suspect. He was located and arrested on July 11, shortly after another threatening letter was discovered at an industrial propane gas distribution depot in Orlando.

Hnaihen is facing a maximum penalty of 10 years in prison for each of the four counts of threatening to use explosives, along with a maximum penalty of 20 years in prison for the destruction of an energy facility offense.

In addition, Hnaihen has agreed to make full restitution to the victims of the offenses.

A sentencing date for Hnaihen has not yet been scheduled.

The Federal Bureau of Investigation (FBI) is investigating the case. It is being prosecuted by Assistant U.S. Attorney Richard Varadan for the Middle District of Florida and Trial Attorneys Ryan White and George Kraehe of the National Security Division’s Counterterrorism Section.