Blizzarded in the locality

Hello her love…. I was on the road with a girlfriend a short time ago we were driving with 2 cars I drove behind her…she had about 80 on a tacho u I’m unsure I guess I had between 70-80 in the closed place so I was close behind her and then blitzte it …it blitzte but only once and I’m not sure if it had met me or her?!!… or can it flash eima u we both have to pay?!it was a mobile flasher the problem Is also I am iner probbezeit can someone help me further?