Now, Tehran is declining to answer the IAEA’s questions about the secret facility. More importantly, one of the most basic requirements of the nuclear deal (while it lasted) was that Iran had to reveal its nuclear activities to the IAEA — a condition with it even overtly failed to comply. In other words, the detection of radioactive particles in Turquz Abad, Iran’s reluctance to answer simple questions about the secret facility and non-partisan evidence about Iran’s nuclear activities at the location, all point to the fact that Tehran was most likely violating the nuclear deal since it was reached.