Southern California Man Pleads Guilty to Funding ISIS and Stockpiling Explosives
A Long Beach resident has pleaded guilty to federal terrorism charges after funneling money to ISIS and accumulating a homemade bomb, highlighting continuing threats posed by domestic extremism. Mark Lorenzo Villanueva, 29, could face significant prison time for his actions that jeopardized national security.
Why It Matters
This case underscores the serious risks associated with domestic terrorism and the ongoing efforts by federal authorities to combat support for extremist organizations. The Justice Department’s swift action aims to deter similar activities and reinforce the nation’s commitment to preventing terrorist threats within its borders.
Key Developments
- Mark Lorenzo Villanueva pleaded guilty to attempting to provide material support to ISIS and being a felon in possession of a firearm.
- He communicated with alleged ISIS fighters via social media and sent over $1,600 overseas intended for weapons purchases.
- The FBI discovered a homemade explosive device in Villanueva’s residence during an August 2025 search.
- Villanueva could face up to 35 years in federal prison, with sentencing set for June 17.
Full Report
Guilty Plea and Charges
Villanueva entered his guilty plea on a day that reflected the ongoing vigilance of law enforcement against terrorism. He admitted to communicating with individuals he believed to be ISIS fighters, discussing the logistics of sending money to aid their operations. According to his plea agreement, these conversations started in February 2025 and escalated to discussions about conducting attacks in the United States.
Financial Support for Terrorism
Federal prosecutors detailed Villanueva’s financial transactions, which included multiple payments to intermediaries overseas. The collected records indicated that he sent a total of $1,615, believing that these funds would be used to obtain arms and supplies for ISIS. His actions demonstrate a troubling commitment to supporting terrorism, both financially and ideologically.
Homemade Explosives
In addition to financial support, Villanueva allegedly claimed to possess a homemade bomb and knives. During the FBI’s search of his residence, agents found an explosive device containing hazardous materials, which he acknowledged was illegal due to his prior felony stalking conviction. His knowledge of the law complicates his defense and indicates a clear disregard for legal boundaries regarding weapon possession.
Possible Sentencing
Villanueva’s plea opens the door to severe penalties, with potential sentences totaling up to 35 years. The U.S. Attorney’s office emphasized the seriousness of his actions, reiterating their commitment to rooting out support for terrorism.
Context & Previous Events
Villanueva remains in federal custody after being arrested in August 2025. His case is part of a broader initiative by the Joint Terrorism Task Force to address and neutralize domestic threats linked to terrorism. In previous statements, officials have reiterated the dangers posed by individuals who support extremist groups, stressing the importance of vigilance in ensuring national security.
