but ukraine said it's killed another russian general. that is six so far. you're getting into unprecedented military with any military conflict, certainly in modern times when they're not usually on the actual front line. does this surprise you this is happening like this? every few days we're hearing about a general killed. >> no, it doesn't surprise me because what the ukrainians are doing, they're fighting a 21st century war against a 20th century opponent. the ukrainians are blocking the communications, they're jamming tactical communications of the russians. the russians do not have secure communications. they're resorting to cell phones but those linkages and those international dialing codes back to russia are being blocked by the ukrainians. and so when you have a commander that is in information blackout, he has no situational awareness, he doesn't know why his units aren't fighting, he doesn't know why there's this big convoy that's not moving, so he's got to move forward to figure out what the heck is going on, puts