

It’s a reasonable explanation.
Cesium is highly radioactive, and the sensors are very sensitive.
When Iceland had the Huefaleflefthaflafla volcano outbreak, I could smell the sulphur from my house. In Norway. More than 1500 km / 900 miles across half the atlantic ocean.
So radioactive smoke being detectable 1.5 miles away makes sense to me.
“Ok so he’s corrupt but he also helped provoke one of the most brutal wars our generation has ever seen and made me look good for threatening to stop supplying them with bombs, so can’t you cut him some slack?”