https://www.cnet.com/news/woman-arrested-at-mar-a-lago-carried-four-smartphones-a-laptop-and-malware/

It's unclear what Zhang's purpose was. But lying to access the premises of a high-value target as part of a hacking attack is a well-known tactic in the cybersecurity world. It even has a name: social engineering. Still, simply carrying a USB stick filled with malware inside a building doesn't add up to much of a hack. There's no indication Zhang installed the software anywhere. 

Zhang has been charged with making false statements to a federal officer and entering or remaining in a restricted building or grounds. An attorney for Zhang declined to comment, citing an office policy of not commenting on pending cases.