The suspect in the ambush killing of UnitedHealthcare CEO Brian Thompson thanked people who have written to him as he is jailed in a New York City detention facility.

Luigi Mangione has publicly spoken out for the first time since his arrest, thanking his supporters in a statement released on a new website launched by his legal team.

NEW YORK -- The man accused of killing UnitedHealthcare CEO Brian Thompson in New York City last December is responding to an outpouring of support he says he has received. Luigi Mangione released a statement Friday on a new website created by his attorneys. It comes ahead of his scheduled court appearance next week.

Mangione has been charged in New York with one count of first degree murder, two counts of second-degree murder, and a litany of gun possession charges, over the Dec. 4 incident.

Luigi Mangione has accepted nearly $300,000 in donations from supporters as he awaits trial for allegedly slaying Brian Thompson, the CEO of UnitedHealthcare, in December.

Luigi Mangione is accused of shooting Brian Thompson to death in New York City last December. Mangione’s attorneys created a website to share his statement.