Former director of Minnesota Security Hospital says letter reminds him of patients he treated with grandiose delusions.

Vance Boelter plans to plead not guilty to charges he killed former House Speaker Melissa Hortman and her husband after wounding Rep. John Hoffman and his wife, his attorney said.

The U.S. Attorney's Office is expected to deliver an update on federal charges filed against Vance Boelter, the man accused of shooting two Minnesota lawmakers and their spouses.

The man accused of shooting two Minnesota lawmakers and their spouses in a targeted political attack, killing one couple, plans to plead not guilty.

Vance Boelter claimed in a letter that Democrat Gov. Tim Walz ordered him to kill lawmakers to take a Senate seat.

Authorities allege Vance Boelter wrote this letter addressed to FBI Director Kash Patel. Below is a transcript of the letter to the FBI that was included in a federal search warrant that was unsealed Tuesday in the case against Vance Boelter:

Accused Minnesota assassin Vance Boelter breaks silence after political shootings: ‘It didn’t involve... Trump stuff’ - The 57-year-old has been charged with the murder of Democratic State House Speaker Emerita Melissa Hortman,