My SKS was modified to take 30-rnd mags - and looked just like the one in the photo after the cops killed him.......didn’t like the gun and got rid of it......
Look at side of receiver and especially rounded profile at top rear of receiver on the SKS, its buried into the wooden stock. The one in the rubble has the standard ribbed sheet metal sides of the AK family. Profile at top rear is distinctly not the tubular profile of the SKS.