George Chen on Halloween

George Chen on Halloween night, 2013, his freshman year at the University of California, Santa Barbara.

Chen was one of six victims in a murder spree in college town of Isla Vista, near UCSB, on May 23, 2014. The grieving parents of Chen and two other victims - David Wang and James Hong - shared memories of their sons with CBS News.

Credit: Photo courtesy of the Chen family

George Chen With Brother

"He loved to play with his little brother," Kelly Wang said of her son, George Chen.

Credit: Courtesy of the Chen family

George Chen and His Mother

"He always tried to put up his big smile everywhere," Kelly Wang, right, said of her son, George Chen, pictured on a cruise to Mexico while he was in high school.

Credit: Courtesy of the Chen family

George Chen With Father

George Chen poses with his dad Johnny Chen while on a cruise in high school.

Credit: Courtesy of the Chen family

David Wang and His Mother

"If you see those pictures, you can see how close we are," said Jane Liu, of her son, David Wang. "Each time he would hold my shoulders, hold my hand. He was very very sweet."

Credit: Photo courtesy of the Wang family

David Wang With Family

Charlie Wang and Jane Lui stand with their son, David.

Credit: Courtesy of the Wang family

James and David

James Hong and David Wang pose for a photo in September 2013, after moving into their Santa Barbara apartment.

Credit: Courtesy of Henry Hong

James at Computer Company

James Hong is seen teaching iOS program development at a computer company in Taiwan and China.

Credit: Courtesy of Henry Hong

James Hong in Solvang

Just Days Before Tragedy

James Hong attends his brother's university commencement in mid-May, 2013, just days before his tragic murder.

Credit: Courtesy of Henry Hong