white house and natasha bertrand as well. natasha, what prompted these comments from president biden, war criminal? >> reporter: well, john, white house press secretary genjen ps said they came from the heart. after seeing images for days after the atrocities of ukraine, the potential use of cluster bombs, targeting humanitarian corridors, pictures we saw of people being held against their will in a hospital, and of course the shelling of this bomb shelter in mariupol, this just came out. and it's not, you know, uncommon. this is something that prime minister boris johnson has also said. he called it earlier war crimes that vladimir putin was committing. but for him to be the highest level u.s. officials to call these atrocities war crimes by president pune. this is not the first time he