Based on my research, I can evaluate this claim:

Fact-checking analysis:

• Christian Zedig, a 32-year-old Swedish off-duty police officer and father of two, was indeed killed after being assaulted at a World Cup football fan zone in Copenhagen while watching the Norway-Ivory Coast match[Source 7][Source 13].

• The suspect turned himself in to Danish police after authorities released his photograph[Source 7][Source 13].

• However, the specific claim that the suspect was "charged with assault in April 2026" appears only in social media posts from right-wing/conservative accounts (Breaking Battlegrounds and Visegrád24), which all cite the exact same alleged court hearing details[Source 9][Source 19][Source 24].

• Mainstream news sources covering the incident (such as Times Now and Hungarian Conservative) do not report or confirm these specific criminal history details about the suspect, including the April 2026 assault charge[Source 7][Source 13][Source 16][Source 21].

• The claim that the attacker was "a migrant" is also not confirmed by mainstream sources - some social media accounts describe the suspect as an "African migrant" or "individual of African descent," but official news reports do not confirm immigration status[Source 7][Source 13].

• The event is very recent (early July 2026), so full court records may not yet be widely reported, but the specific April 2026 assault charge detail cannot be independently verified through mainstream journalism at this time.

Overall validity: 40%