A Florida TikTok creator who calls himself a “demonologist” and “Grey Hat Hacker” is back behind bars after allegedly exposing women’s private information online and boasting that he could track their movements through their phones.
Mark Stephen Asea, 36, of Port St. Lucie, was booked into the St. Lucie County Jail Sept. 30 on a felony charge of offense against computer users. His bond was set at $35,000, according to sheriff’s office records.
The arrest revived a criminal case that had been closed months earlier. Asea was first arrested in April on stalking and computer-related allegations, but prosecutors dropped those charges in May before bringing a computer-access charge in September, court records show.
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The police affidavit describes two women who said their private information surfaced in Asea’s TikTok posts, including one who had trusted him to help with a computer problem.
In a video reviewed by a detective, Asea allegedly rattled off details about one woman’s devices and claimed to know her recent spending.
“Let’s talk about your actual password,” he said, according to a transcript in the affidavit.
“How about we talk about the last 10 purchases you made online?”
The woman told investigators the password had been shared only in a closed TikTok group chat. Asea was not a member, she said, although she suspected he might have joined through a fake account.
Nobody in the chat had permission to share it outside the group, she told police. She also said she did not know how he would have obtained her phone identification number or banking information.
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For the second woman, the concerns began after what she described as a routine request for tech help.
She told police she allowed Asea to remotely access her computer in October 2025 to troubleshoot an application. Months later, she said, he claimed he had essentially placed a virus on the computer while she was in the bathroom, allowing him to view information without her knowledge.
She said she never authorized that access.
Then a photograph from a private Telegram message on her phone allegedly appeared in one of his TikTok posts.
Asea claimed in a comment that the image came from a WhatsApp exchange, according to the affidavit. But the woman provided investigators a screenshot showing the photograph in the Telegram message.
Police also documented statements in which Asea appeared to boast about finding her location through her phone.
“Thanks to the GPS within her phone, but what did I do?” he said in the video, according to the affidavit.
The alleged posts piled up. Investigators said Asea uploaded more than 100 TikTok videos mentioning one woman, sometimes posting as many as six in a day. He also allegedly obtained a website where he posted a photograph of her getting a tattoo.
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His TikTok biography lists “Demonologist,” “Clairsentient,” “Empath,” “PTSD,” “Grey Hat Hacker” and “Woodsman.”
The April affidavit documented a different account biography that included “former satanist” and “cybersecurity engineer.”
Asea also faced a separate civil stalking protection case over the summer. A woman obtained a temporary injunction in July, but a judge dissolved it and dismissed that case Sept. 8.
Prosecutors reopened the criminal case Sept. 24 and filed the current charge alleging unauthorized access to a computer or electronic device. The records provided do not explain why the earlier charges were dropped or what prompted the renewed prosecution.
Months after the original charges were dropped, Asea is again facing a felony computer-access charge. He is scheduled to be arraigned Nov. 19.
Fox News Digital reached out to TikTok for comment.