After the war ended, Weinrich was interned in the Eselheide internment camp from 1945 to 1950. He underwent denazification proceedings and was adjudged to be in Category I, Major Offenders.
After the war ended, Weinrich was imprisoned at the Eselheide internment camp from 1945 to 1950. He underwent denazification processes and was categorized as a Major Offender.