“They want to show Putin that they can’t feel safe, even those that are friends of Putin, even within the heart of Russia, within the heart of Moscow.”Putin will “no doubt be furious” that another one of his key allies has been killed, after his ‘death squad’ chief Armen Sariksyan was the victim of a huge explosion in Moscow. Security expert Will Geddes tells #TimesRadio it likely won’t be the last of these “indirect strikes agains Putin himself”.