In Siegburg near Cologne, a retiree purposely scratched dozens of cars - within several months. The 79-year-old is said to have acted out of trouble over parked streets and sidewalks.

The man with Rollator have left a clear mark in the paint of standing vehicles since last summer with a key, the police said. After all, he had been caught in the act and arrested.

After initial hesitation, he had confessed to all the deeds, the investigators. He was angry about the parking situation. The police estimate the damage in total at 40,000 euros. The pensioner must expect criminal proceedings and demands of the persons affected.