After the fatal shot at a gas station employee in the dispute over the mask requirement, the police check the activity of the suspect on social media.

A lot of information was received, said a spokesman for the Trier police headquarters on Wednesday morning.

The 49-year-old man is said to have shot a twenty-year-old salesman in the head on Saturday evening in Idar-Oberstein, Rhineland-Palatinate.

After his arrest, he told the investigators that he rejected the corona measures, the situation of the pandemic had put a lot of strain on him, he wanted to set an example.

The German, previously unknown to the police, is in custody on suspicion of murder.

The act caused great horror and sympathy nationwide.

The public prosecutor's office assumes a lengthy investigation into the background.

Among other things, it is unclear where the offensive weapon came from.

On Tuesday evening, the police tweeted in Tier: “There are indications of the suspect's Twitter profile.

We are following up on these clues. “The investigators were referred to the suspected perpetrator's Twitter profile by a large number of users, the spokesman said.

With the tweet one wanted to signal to the citizens: "We are on it, we have that in view."

The managing director of the German Retail Association (HDE), Stefan Genth, told the editorial network Germany that the act made "speechless and stunned".

The thoughts and sympathy of the entire industry are with the relatives, friends and colleagues of the victim.

Regarding the acceptance of the mask requirement, he says: "Even if there may be occasional unrepentant customers, after more than a year wearing masks has become a habit that rarely leads to conflicts." It hardly ever happens in retail stores to problems with mask refusers.

"For the vast majority of customers today, wearing masks is a natural part of shopping."