Luigi Mangione violated the "special treatment" he was afforded for his last court appearance when handwritten notes were secreted inside a pair of argyle socks.

Luigi Mangione, accused of killing UnitedHealthcare CEO Brian Thompson, requests a jail laptop to review case evidence.

One note written to Luigi Mangione read in part, "know there are thousands of people wishing you luck," prosecutors said in court documents.

The socks were included in clothes his defense team gave him for a hearing in Manhattan last month, the Manhattan district attorney's office said.

His lawyers said they were unaware of the hidden note until a court officer found it in a piece of cardboard between a new pair of socks.

The attorneys say public officials are leaking information about their client, who allegedly shot a health care CEO to death in Midtown.

Since his arrest in December, Luigi Mangione has been inundated with letters from supporters eager to hear his thoughts from behind bars. While his legal team has made it clear he can’t respond to everyone, a growing collection of his replies has surfaced online, offering a glimpse into his life, past and present.

A Luigi Mangione fan snuck a secret heart-shaped note to him in a pair of argyle socks he was allowed to bring to his latest circus-like court appearance, new court documents reveal.

Mangione will not have access to the internet on his specially configured laptop. The 26-year-old Ivy League graduate charged with gunning down UnitedHealthcare CEO Brian Thompson on a street in midtown Manhattan,