Chris Cornell, Vicky Karayiannis
Vicky Karayiannis is still mourning the death of her husband, Chris Cornell. Pictured: Cornell, Karayiannis at the 2009 MusiCares Person of the Year gala in Los Angeles on Feb. 6, 2009. Reuters/Danny Moloshok

Chris Cornell’s wife recently released a statement after her late husband’s toxicology reports were unveiled.

The autopsy results that were handed out on Friday showed the presence of various prescription drugs in the Soundgarden frontman’s system. However, Dr. Theodore Brown, assistant Wayne County medical examiner, said that none of the drugs found in the singer’s body contributed to his death.

Read: Chris Cornell's wife Vicky Karayiannis pens touching letter to her late husband

Cornell’s wife, Vicky Karayiannis, told People, “Many of us who know Chris well, noticed that he wasn’t himself during his final hours and that something was very off. We have learned from this report that several substances were found in his system. After so many years of sobriety, this moment of terrible judgment seems to have completely impaired and altered his state of mind. Something clearly went terribly wrong and my children and I are heartbroken and are devastated that this moment can never be taken back.”

Karayiannis went on to express her gratitude to everyone who has shown them love and support during this very difficult time in their lives. She concluded the statement by saying that she is dedicating her life to helping others so the kind of tragedy that happened to Cornell may be prevented.

Last month, Cornell’s widow released her first statement following the singer’s demise. At the time, Karayiannis said that she believes the prescription drug Atavan may have played a role in the tragedy. The toxicology reports revealed that Cornell took four tablets on the day of his death.

Cornell was found dead at MGM Grand Detroit after Soundgarden’s performance at the Fox Theater on May 18. After the autopsy was completed, it was ruled out that Cornell committed suicide by hanging himself.

In her statement, Karayiannis revealed that she spoke with her husband after the show, and he didn’t seem fine. “When we spoke after the show, I noticed he was slurring his words; he was different. When he told me he may have taken an extra Ativan or two, I contacted security and asked that they check on him,” she said.

Cornell was laid to rest on Friday, June 2 at Los Angeles’ Hollywood Forever Cemetery.