He escaped from Stalag Luft 3 POW camp in Poland and was rounded up by the Russian forces when hostilities ceased.

WSJ: Bomber Command Memorial | They Were the Means of Victory | By Richard Holledge

Acevedo was initially taken to a prison camp known as Stalag IX-B in Bad Orb, Germany, where thousands of American, French, Italian and Russian soldiers were held as prisoners of war.

CNN: WW II vet held in Nazi slave camp breaks silence: 'Let it be known'