(ken) it has been 20 years since matthew shepard -- a gay college student -- was brutally murdered by two men in laramie, wyoming. he was killed because he was gay. today... shepards's family donated some of their son's belongings to the smithsonian's american history museum. our washington d.c. correspondent brie jackson tells us how shepard's life and legacy is now being honored. matthew shepard was always different... says his mom judy. matt's favorite custome for 3 years in a row, from ages 8,9 and 10 was probably dolly parton.those differences defined matthew's life...and his death.when he was a 21 year old college student...two men viciously murdered shepard...because he was gay. shepard's death drew national attention and marked an important moment in the history of gay rights in america.<>twenty years later his parents donated his preschool diploma, superman cape and other belongings to the smithsonian's national museum of american history.they say it's another way...