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In addition to his six-month sentence for raping an unconscious woman, former Stanford University swimmer Brock Turner will be required to attend drug and alcohol testing and undergo random testing.

According to the Associated Press, an investigation revealed that Turner lied when he denied using illegal drugs during his first interview with a probation officer in May. He said he only began drinking after arriving at Stanford in September 2014. However, text messages recovered in an investigation after his June 2 sentencing reportedly contradict this statement, as well as a jailhouse interview June 14, where he also denied using drugs or alcohol while in high school.

RELATED: Another woman says Brock Turner tried to assault her

Only when Turner was made aware that authorities were in possession of text messages in which he discussed his drug use did he admit to lying, the report said. He said he used LSD on three occasions, drank alcohol, and smoked marijuana frequently in high school.

Turner’s probation manager, Jana Taylor, said in a statement that Turner would go back to court and be ordered to attend counseling sessions. She said Turner needs counseling and the department doesn’t “want to be placed in a position in the event we violate him for positive tests and his attorney argues we never modified probation to include counseling.”

Turner, 20, will reportedly have the counseling requirements added to his probation before his Sept. 2 release. In June, Santa Clara County Judge Aaron Persky sentenced Turner to six months in prison for the sexual assault of a 23-year-old unconscious woman outside of frat party on Stanford’s Palo Alto campus in 2015. Turner faced up to 14 years in jail. The lenient sentence drew national outrage and Persky is now the subject of a recall effort to remove him from his post.

Turner, who is expected to be released after three months for good behavior, reportedly requested protective custody in prison after receiving threats.