>> DeMarco: ALL RIGHT. WELCOME BACK TO "GMA3," BUT IT'S WELCOME BACK TO "GMA3," BUT IT'S HARD TO BELIEVE THAT IT'S BEEN HARD TO BELIEVE THAT IT'S BEEN THREE YEARS THAT QUAVO'S NEPHEW THREE YEARS THAT QUAVO'S NEPHEW HAS BEEN SHOT. HAS BEEN SHOT. >> Eva: NOW HIS UNCLE WILL MAKE >> Eva: NOW HIS UNCLE WILL MAKE SURE HIS DEATH WASN'T IN VEIN. SURE HIS DEATH WASN'T IN VEIN. RACHEL SCOTT TAKES US THROUGH RACHEL SCOTT TAKES US THROUGH HIS BATTLE FOR GUN VIOLENCE HIS BATTLE FOR GUN VIOLENCE LEGISLATION. LEGISLATION. >> Reporter: MIGOS HAS BEEN >> Reporter: MIGOS HAS BEEN KNOWN AS ONE OF THE HOTTEST ACTS KNOWN AS ONE OF THE HOTTEST ACTS IN HIP-HOP, THEIR HITS IN HIP-HOP, THEIR HITS DOMINATING THE CHARTS, BUT THE DOMINATING THE CHARTS, BUT THE SHOOTING OF TAKEOFF STUNNED THE SHOOTING OF TAKEOFF STUNNED THE MUSIC WORLD. MUSIC WORLD. >> RAPPER TAKEOFF, KNOWN FOR THE >> RAPPER TAKEOFF, KNOWN FOR THE AWARD-WINNING GROUP, MIGOS HAS AWARD-WINNING GROUP, MIGOS HAS DIED. DIED. >> Reporter: POLICE SAY THE >> Reporter: POLICE SAY THE 28-YEAR-OLD RAPPER WAS JUST AN 28-YEAR-OLD RAPPER WAS JUST AN INNOCENT BISTANDER CAUGHT IN INNOCENT BISTANDER CAUGHT IN GUNFIRE AT A HOUSTON BOWLING GUNFIRE AT A HOUSTON BOWLING ALLEY. ALLEY. >> WHAT DO YOU WANT PEOPLE TO >> WHAT DO YOU WANT PEOPLE TO REMEMBER ABOUT HIM? REMEMBER ABOUT HIM? >> THE COOLEST GUY ON THE >> THE COOLEST GUY ON THE PLANET. PLANET. THE FRESHEST GUY. THE FRESHEST GUY. HE DON'T LIKE NOTHING TO BOTHER HE DON'T LIKE NOTHING TO BOTHER YOU. YOU. IT REALLY BOTHERS HIM, BUT HE IT REALLY BOTHERS HIM, BUT HE DON'T SHOW IT TO THE PEOPLE, AND DON'T SHOW IT TO THE PEOPLE, AND -- I JUST THINK HE'S THE AND -- I JUST THINK HE'S THE GREATEST PERSON, THE GREATEST GREATEST PERSON, THE GREATEST RAPPER TO EVER LIVE, AND THAT'S RAPPER TO EVER LIVE, AND THAT'S MY NEPHEW AND I'M GOING TO MAKE MY NEPHEW AND I'M GOING TO MAKE SURE HIS LEGACY IS ALWAYS SURE HIS LEGACY IS ALWAYS UPLIFTED. UPLIFTED. I THINK HE'S ONE OF THE GREATEST I THINK HE'S ONE OF THE GREATEST PEOPLE I'VE EVER BEEN AROUND. PEOPLE I'VE EVER BEEN AROUND. >> Reporter: HIS UNCLE AND >> Reporter: HIS UNCLE AND BANDMATE QUAVO WITNESSED IT ALL, BANDMATE QUAVO WITNESSED IT ALL, OPENING UP IN AN INTERVIEW WITH OPENING UP IN AN INTERVIEW WITH ABC NEWS. ABC NEWS. HAVE YOU BEEN ABLE TO FULLY HAVE YOU BEEN ABLE TO FULLY PROCESS WHAT HAPPENED? PROCESS WHAT HAPPENED? >> NOT REALLY. >> NOT REALLY. I STILL GO THROUGH IT. I STILL GO THROUGH IT. I STILL SEE IT VIVIDLY EVERY I STILL SEE IT VIVIDLY EVERY NIGHT. NIGHT. >> WHY DID YOU MAKE THE DECISION >> WHY DID YOU MAKE THE DECISION THAT YOU WANTED TO SPEAK UP NOW? THAT YOU WANTED TO SPEAK UP NOW? >> IT'S A LOT OF PEOPLE THAT'S >> IT'S A LOT OF PEOPLE THAT'S GOING THROUGH GUN VIOLENCE, GOING THROUGH GUN VIOLENCE, ESPECIALLY IN MY COMMUNITY AND ESPECIALLY IN MY COMMUNITY AND MY CULTURE, BUT AT THE SAME MY CULTURE, BUT AT THE SAME TIME, ARTISTS. TIME, ARTISTS. I'M A SURVIVOR. I'M A SURVIVOR. I WAS THERE, SO AT THE SAME I WAS THERE, SO AT THE SAME TIME, IT COULD HAVE BEEN BOTH OF TIME, IT COULD HAVE BEEN BOTH OF US GONE. US GONE. >> Reporter: WE JOINED THE >> Reporter: WE JOINED THE GRAMMY-NOMINATED ARTIST AS HE GRAMMY-NOMINATED ARTIST AS HE TRAVELED TO WASHINGTON LOOKING TRAVELED TO WASHINGTON LOOKING TO TURN HIS GRIEF INTO ACTION. TO TURN HIS GRIEF INTO ACTION. >> WE'RE LIVE AT THE WHITE >> WE'RE LIVE AT THE WHITE HOUSE. HOUSE. >> Reporter: MEETING VICE >> Reporter: MEETING VICE PRESIDENT KAMALA HARRIS. PRESIDENT KAMALA HARRIS. >> I WANT MY NEPHEW'S LIFE TO >> I WANT MY NEPHEW'S LIFE TO MEAN A IT LO, AND NOW WE'RE MEAN A IT LO, AND NOW WE'RE GOING TO CHANGE IT FROM GUNS GOING TO CHANGE IT FROM GUNS INTO LAWS. INTO LAWS. >> Reporter: THEN TRAVELING TO >> Reporter: THEN TRAVELING TO CAPITOL HILL, SITTING DOWN WITH CAPITOL HILL, SITTING DOWN WITH LAWMAKERS. LAWMAKERS. >> I THINK ALL OF US TOGETHER >> I THINK ALL OF US TOGETHER IS, LIKE, IS THE KEY, AND WE IS, LIKE, IS THE KEY, AND WE NEED HELP FROM THIS BIG OLD NEED HELP FROM THIS BIG OLD BUILDING RIGHT HERE. BUILDING RIGHT HERE. >> Reporter: CONGRESS HAS BEEN >> Reporter: CONGRESS HAS BEEN DIVIDED ON HOW TO TACKLE THIS DIVIDED ON HOW TO TACKLE THIS ISSUE FOR DECADES, BUT QUAVO ISSUE FOR DECADES, BUT QUAVO VOWING TO KEEP THE PRESSURE ON, VOWING TO KEEP THE PRESSURE ON, LAUNCHING THE ROCKET FOUNDATION LAUNCHING THE ROCKET FOUNDATION IN HONOR OF TAKEOFF, PLEDGING IN HONOR OF TAKEOFF, PLEDGING $2 MILLION TO INVEST IN $2 MILLION TO INVEST IN COMMUNITY VIOLENCE INTERVENTION, COMMUNITY VIOLENCE INTERVENTION, HOPING TO KEEP HIS LEGACY ALIVE. HOPING TO KEEP HIS LEGACY ALIVE. WHAT DO YOU THINK TAKEOFF WOULD WHAT DO YOU THINK TAKEOFF WOULD THINK ABOUT THE WORK THAT YOU THINK ABOUT THE WORK THAT YOU ARE DOING NOW? ARE DOING NOW? >> HE'D MOST DEFINITELY BE PROUD >> HE'D MOST DEFINITELY BE PROUD OF ME, AND I KNOW HE AIN'T EVER OF ME, AND I KNOW HE AIN'T EVER GOING TO BELIEVE MY SIDE. GOING TO BELIEVE MY SIDE. IT'S A TOUGH THING KNOWING WE'RE IT'S A TOUGH THING KNOWING WE'RE SEPARATING AND KNOWING I'M NOT SEPARATING AND KNOWING I'M NOT GOING TO SEE HIM AGAIN ON THIS GOING TO SEE HIM AGAIN ON THIS EARTH, BUT IT'S COOL, YOU KNOW. EARTH, BUT IT'S COOL, YOU KNOW. I KNOW HE'S PROUD OF ME. I KNOW HE'S PROUD OF ME. >> DeMarco: HE MOST CERTAINLY IS >> DeMarco: HE MOST CERTAINLY IS PROUD OF HIM, AND RACHEL IS WITH PROUD OF HIM, AND RACHEL IS WITH US RIGHT NOW. US RIGHT NOW. IT WAS SO IMPORTANT TO HEAR FROM IT WAS SO IMPORTANT TO HEAR FROM QUAVO AND HEAR HIM SPEAKING OUT QUAVO AND HEAR HIM SPEAKING OUT ON THIS ISSUE HERE. ON THIS ISSUE HERE. WHAT CAN YOU TELL US ABOUT THE WHAT CAN YOU TELL US ABOUT THE PROGRESS THAT'S BEEN MADE WHEN PROGRESS THAT'S BEEN MADE WHEN IT COMES TO GUN PREVENTION AND IT COMES TO GUN PREVENTION AND ALL THE TALKS IN WASHINGTON? ALL THE TALKS IN WASHINGTON? >> YOU KNOW, DEMOCRATS AND >> YOU KNOW, DEMOCRATS AND REPUBLICANS AGREE THAT GUN REPUBLICANS AGREE THAT GUN VIOLENCE IS A SERIOUS ISSUE, BUT VIOLENCE IS A SERIOUS ISSUE, BUT WHERE THEY DIFFER IS HOW TO WHERE THEY DIFFER IS HOW TO ADDRESS IT. ADDRESS IT. SO MONTHS AGO, WE DID SEE SO MONTHS AGO, WE DID SEE DEMOCRATS AND REPUBLICANS COME DEMOCRATS AND REPUBLICANS COME TOGETHER TO PASS THE MOST TOGETHER TO PASS THE MOST COMPREHENSIVE GUN SAFETY COMPREHENSIVE GUN SAFETY LEGISLATION IN DECADES. LEGISLATION IN DECADES. THAT WAS RIGHT AFTER THE UVALDE THAT WAS RIGHT AFTER THE UVALDE AND BUFFALO MASS SHOOTINGS. AND BUFFALO MASS SHOOTINGS. YOU MAY REMEMBER, BUT DEMOCRATS YOU MAY REMEMBER, BUT DEMOCRATS WANT TO GO EVEN FURTHER. WANT TO GO EVEN FURTHER. THEY WANT STRICTER GUN LAWS. THEY WANT STRICTER GUN LAWS. REPUBLICANS PUSHED BACK. REPUBLICANS PUSHED BACK. THEY WANT TO FOCUS MORE ON THEY WANT TO FOCUS MORE ON MENTAL HEALTH AND LAW MENTAL HEALTH AND LAW ENFORCEMENT MEASURES, BUT YOU ENFORCEMENT MEASURES, BUT YOU HEARD IT FROM QUAVO. HEARD IT FROM QUAVO. WHILE HE'S INVESTED IN THE WHILE HE'S INVESTED IN THE COMMUNITY WITH THOSE GUN COMMUNITY WITH THOSE GUN VIOLENCE INTERVENTION PROGRAMS, VIOLENCE INTERVENTION PROGRAMS, HE SAYS ANYTHING MORE HE SAYS ANYTHING MORE SUBSTANTIAL IS GOING TO HAVE TO SUBSTANTIAL IS GOING TO HAVE TO COME FROM LAWMAKERS HERE ON COME FROM LAWMAKERS HERE ON CAPITOL HILL, GUYS. CAPITOL HILL, GUYS. >> Eva: