Here are a few options for a formal equivalent, depending on your focus:
- “Misinformation Circulates Following Fatal Collision Involving State Trooper” (Most professional)
- “Official Response Follows Spread of Misinformation After Fatal State Trooper Crash” (Focuses on the impact)
- “State Trooper’s Fatal Accident Triggers Widespread Online Misinformation” (Stronger, active tone)
Recommendation: The first option is the most standard for journalistic or professional reporting.