A former Coast Guard lieutenant accused of plotting to attack Supreme Court justices, Democrats and prominent journalists was sentenced on Friday to more than 13 years in prison.

U.S. District Judge George Hazel in the District of Maryland sentenced Christopher Hasson, 50, to 160 months in prison and four years of supervised release over a series of weapons charges, the Justice Department announced.

The charges include unlawful possession of unregistered silencers, unlawful possession of firearm silencers unidentified by serial number, possession of firearms by an addict to and unlawful user of a controlled substance, and possession of a controlled substance.

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Prosecutors said Hasson spent about $12,000 to buy weapons, tactical vests and body armor and performed internet searches for phrases such as “most liberal fed judges usa” and “how to rid the us of Jews.”

He also compiled a hit list that included Speaker Nancy Pelosi Nancy PelosiPowell warns failure to reach COVID-19 deal could 'scar and damage' economy Overnight Defense: House to vote on military justice bill spurred by Vanessa Guillén death | Biden courts veterans after Trump's military controversies Intelligence chief says Congress will get some in-person election security briefings MORE (D-Calif.), Sens. Charles Schumer Chuck SchumerDemocrats scramble on COVID-19 relief amid division, Trump surprise Pelosi, Schumer 'encouraged' by Trump call for bigger coronavirus relief package Schumer, Sanders call for Senate panel to address election security MORE (D-N.Y.) and Elizabeth Warren Elizabeth WarrenNo new taxes for the ultra rich — fix bad tax policy instead Democrats back away from quick reversal of Trump tax cuts It's time for newspapers to stop endorsing presidential candidates MORE (D-Mass.), and MSNBC and CNN commentators. Authorities said he also researched how to make bombs and said in a letter he had been a white nationalist for decades.

“Christopher Hasson intended to inflict violence on the basis of his racist and hateful beliefs. As long as violent extremists take steps to harm innocent people, we will continue to use all of the tools we have to prevent and deter them,” said U.S. Attorney for the District of Maryland Robert Hur.

Federal prosecutors had urged the court to mandate a 25-year prison sentence, while Hasson’s attorneys had argued for a judge to sentence him to time served and three years of supervised release.

Hasson pleaded guilty in October to the firearms and drugs charges, including illegal possession of the opioid painkiller tramadol.