What to Know About the Teenage Gunman in the Garlic Festival Shooting

Santino Legan, 19, killed three people, including a 6-year-old boy, and wounded 12 others.

Details about the teenaged gunman responsible for the latest mass shooting have emerged. 

Santino Legan, 19, opened fire Sunday at a garlic festival in Gilroy, California. He was shot dead by police after killing three people, including a 6-year-old boy, and wounding 12 others. Legan used an assault-style rifle and seemed to fire at random. 

Cops believe he cut through a fence near a creak and entered the festival grounds, about 30 miles south of San Jose. 

An eyewitness said she confronted him and asked, “Why are you doing this?” She claimed he replied, “I'm really angry.”

On Monday, police converged on his home just 2 miles from the scene of the shooting. 

Neighbors in Gilroy said Legan was a quiet kid who was never in trouble. They would see him working out with his brothers. His grandfather was a county supervisor. His older brother, Rosino Legan, is a local celebrity as a middleweight boxing champion

At the festival, a band was playing when pandemonium broke out. Cell phone videos captured the chaos, panic and disbelief as festivalgoers fled.

Police acted swiftly, bringing down the shooter within 60 seconds.

Stephen Romero, 6, was the youngest victim. Stephen's distraught father rushed to the hospital and was told the tragic news.

“They told me he was in critical condition and they were working on him and five minutes later they told me he was dead,” his father tearfully told reporters.