Zimmerman, a former Neighborhood Watch volunteer, is free on $1 million bail, awaiting trial on a charge of second-degree murder. He says he acted in self-defense when he killed the unarmed teen.
This is not the first time a Central Florida news story lands among the most searched terms in Google. In 2011, the search giant announced that 'Casey Anthony' was among the top 5 global that year — outranking 'iPhone 5', 'Steve Jobs', and iPad2.'
The 2012 Google Zeitgeist report analyzed 1.2 trillion searches typed into Google's search engine this year in 146 languages.
The report also shows 'Hurricane Sandy' was the most searched global event, followed by 'Kate Middleton Pictures Released' and 'Olympics 2012.'
The top global search term was 'Whitney Houston.' The American singer, best known for her hits 'I Will Always Love You' and "The Greatest Love of All,' died at the age of 48 on Feb. 11 in a Beverly Hills hotel.
Reports show she ingested a deadly mix of prescription drugs and alcohol.
Houston topped several search lists, including people and performing artists, Google shows.
Other top global searches in 2012 included, 'The Hunger Games', 'Jeremy Lin', 'iPad 3', 'Southwest Airlines', and '#SOPA.'