The hair part is unusual, the facial features very similar and in pic 1 there is no obvious serious injuries, his eyes are open, no blood anywhere except a scrape on his left temple.
Looks to me that he was "rescued" before he was killed. See pic at #26 for "post-rescue" condition. Thanks Jimbo.
Portrait photo vs corpse photo
Clean hair, new haircut vs dirty hair, needs haircut
Older (younger) photo vs current photo
If you can’t tell that this is the same man.... U R BLIND