On 31 May 1985, acting on intelligence received by the West German prosecutor's office, police raided the house of Hans Sedlmeier, a lifelong friend of Mengele and sales manager of the family firm in Günzburg.
O 31 de maio de 1985, tras recibir unha pista por parte da oficina do fiscal de Alemaña occidental, a policía asaltou a casa de Hans Sedlmeier, amigo por moito tempo de Mengele e director de vendas da empresa familiar en Günzburg.