What is the fine-grained topic of the following text: Jeronimo Yanez, the former St. Anthony, Minnesota, police officer who fatally shot Castile in front of his girlfriend and her 4-year-old daughter during a July 2016 traffic stop was also acquitted of dangerous discharge of a firearm. Only return the topic.
Acquittal of former police officer Jeronimo Yanez in Castile shooting case