A gender-fluid teen was killed in Idaho, and a trans woman was found dead in Maine.
Police in Asuza, Calif. said it was too early to determine a motive.
The death of Noony Norwood is the 24th reported murder of a trans person in 2016.
Police are investigating what happened to a Tennessee mother and Iraq War veteran.
The site has already been visited by so many, and now it will forever be a place to remember.
Noor Salman, Mateen's second wife, also says she had no idea he was planning a mass shooting.
In 911 calls, 29-year-old Omar Mateen claimed that the attack was retribution for airstrikes in the Middle East.