With credit for the seven-and-a-half months he’s already served.

He will serve up to two years in prison.

Milzman allegedly contacted a resident advisor to inform the person he had made ricin and later told the RA he “felt unfulfilled with school work and relationships and that he had started to engage in self-described ‘risky behavior,'” according to a court document.

The letter tested “weakly positive” for ricin, according to the email sent to an employee who works in the HRC building.

The FBI arrested a Corinth, Miss. resident yesterday in connection with a series of letters tainted with the deadly poison ricin that were caught this week at White House and U.S. Capitol mail screening facilities.

Secret Service found letter mailed to President Obama laced with “suspicious substance,” more suspicious letters sent to senators, and now a Senate office building is on lockdown.

The Capitol Building yesterday (Getty Images) A letter, addressed to Mississippi Senator Roger Wicker’s office, tested positive for the toxic poison ricin. According to the Washington Post, the letter was found this morning “at an off-site location where congressional mail has been screened since anthrax-laced letters were sent to Capitol Hill in 2001.” The mail facility is located in Washington, and a law enforcement told CNN said that the envelope tested positive in a…