trace gallagher reports from our west coast newsroom. trace, it's devastating to see. >> yeah. in fact, shannon isis is now attacking iraq's legacy on two fronts first by looting artwork and relics and selling them on the black market. historically iraqi items have been spotted for sale from baghdad to beirut. the second is going into museums and archaeological sites and destroying anything that isis believes represents harrassy any statue that defines religion other than sunni islam. this five-minute video shows bearded men inside the mosul museum using sledge hammers and drills to destroy priceless busts and statues. experts say this is all part of the bigger goal for isis which is to cleanse all competing cultures. today the state department said this. listen. >> obviously broadly speaking we've seen not just the brutality of isil we've seen