Nation. this time it happened in the video game tournament in jacksonville, florida. police say the suspect brought a gun to the venue where the ma madden 19 tournament has happened. the victims are eli rclayton an taylor robertson. this is the latest mass shooting in florida over the last few years. following the pulse nightclub and parkland school massacres. more now from polo sandoval. reporter: dave and laura, police in jacksonville confirming the suspect behind the latest mass shooting is a 24-year-old man from baltimore. yesterday, he was identified as david katz. among the three people who are dead at the scene. he opened fire at the video game tournament. police say he was a participant in the tournament. he used a handgun in the shooting. the atf processing the weapon. investigators say katz shot and killed two people at the