Luigi Mangione, who is facing murder charges in the killing of UnitedHealthcare CEO Brian Thompson, was given heart-shaped notes before his Feb. 21 court appearance, according to a new filing.

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

The note — plus another heart-shaped message addressed to someone called “Joan” — was hidden in a piece of cardboard at the center of a new pair of Argyle socks, Seidemann wrote. It’s not clear who wrote the note or slipped it into the socks. The filing didn’t say, and prosecutors later declined to elaborate.

Luigi Mangione was not read his Miranda Rights according to his legal team, and our source now believes that may have huge consequences for the prosecutors.

Luigi Mangione's request to get a laptop in jail is now up to Brooklyn's Metropolitan Detention Center, where he is awaiting trial in the killing of UnitedHealthcare CEO Brian Thompson.

In a court filing made public late Monday, Mangione’s lawyers proposed that he get a laptop configured solely to let him view a vast amount of documents, video and other material in the case surrounding the shooting of Brian Thompson.

Luigi Mangione is accused of killing UnitedHealthcare's CEO in December. Luigi Mangione violated the "special treatment" he was afforded for his last court appearance when handwritten notes were ...

Mangione’s first words after federal agents apprehended him for allegedly murdering United Healthcare CEO Brian Thompson was a sign of remorse for inconveniencing the public during his