and when a reporter asked israel if president perez knew anything about it, his nation had anything to do with it he responded not to the best of my knowledge this was the fifth nuclear scientist attacked in the past two years. iran denies accusations from the west that it s trying to build weapons with its nuclear program. jennifer griffin with the news. live at the pentagon. first off, jen, i guess it s going to escalate all of this? that s right. this is video shot by the u.s. navy and coast guard in the strait of hormuz last week. it shows the iranian revolutionary guard speed boats harassing two u.s. military vessels, first swarming the uss new orleans, then seen here chasing a u.s. coast guard cutter. the iranian fast boats were armed with ak 47 s we re telling you about eventually appealed away. dennis roth served as the president s advisor on iran until recently. the pressure is really being felt by the iranians now. that s why we are seeing all