The sister of a sergeant with the Chicago Police Department who died by suicide last year is working now to prevent similar tragedies from occurring.

According to CBS News, Leann Starr—sister of Chicago Police Sergeant Lori Rice—recently made a video for the Chicago Police Department intended to reach out to other officers who may be approaching crisis.

Read Is Officer Suicide on the Rise?

The department has reported seven officer suicides in less than one year.

The video Starr made will be shown by the department as early as Friday.