RIOTERS AFTER THE DEATH OF FREDDIE GRAY. TONIGHT, THE MYSTERY OF A LOST LOCKET AND THIS IS NOT JUST ANY PIECE OF JEWELRY EITHER. IT IS EXTREMELY SENTIMENTAL CONTAINING A MAN’S ASHES. A WAL-MART EMPLOYEE FOUND IT AND IS NOW DETERMINED TO FIND THE LOVED ONE WHO LOST IT SO THAT EMPLOYEE CONTACTED 8 ON YOUR SIDE AND MELANIE MICHAEL IS LIVE WITH THE STORY IN TOO MANY PA. MEL? Reporter: GOOD EVENING TO YOU KEITH. SOMEONE, SOMEWHERE OUT THERE, HAS GOT TO BE FRANTIC LOOKING FOR THIS LOCKET. AND 8 ON YOUR SIDE IS HAPPY TO HELP OUT. PLUS, THE WAL-MART EMPLOYEE YOU ARE ABOUT TO MEET HAS SUCH A HEART WHEN SHE FOUND THIS. IT’S A HEART OF GOLD. YOU WILL SEE IT RIGHT NOW. IF IT WAS MINE, I WOULD BE DEVASTATED. I WANT TO GET IT BACK TO THE RIGHT PERSON. Reporter: WHEN PAMELA MARTINI SAW THIS LOCKET FOR THE FIRST TIME, HER REACTION WAS INSTANT. SHE WAS ON A MISSION TO RETURN THIS PIECE OF THE PAST. DID YOU EVER SEE YOURSELF AS SUCH A DETECTIVE? YOU HAVE BEEN DOING SOME SERIOUS INVESTIGATIVE WORK. I’M A WOMAN, I’M A DETECTIVE. [ LAUGHTER ] NO. NO. I’M DETERMINED. Reporter: AS A LONG TIME WAL- MART EMPLOYEE AND CUSTOMER SERVICE, HER HEART WENT OUT TO THE PERSON WHO LOST THE LOCKET SOMEWHERE IN THE AISLES OF THE SUPERCENTER ON GUNN HIGHWAY IN TAMPA. THE PENDANT IS ENGRAVED AND CONTAINS THE ASHES OF A MAN NAMED JOHN BORN IN 1956 AND DIED IN 2013. THE MYSTERY ALSO CONTAINS LASTING LOVE WITH THE MESSAGE ALWAYS IN MY HEART. I COULD BE SOMEBODY’S HUSBAND. A BROTHER. A GRANDFATHER. IT IS SOMETHING AND IT IS IMPORTANT TO SOMEBODY. Reporter: TALK ABOUT A DETECTIVE WHO IS DETERMINED! PAMELA HAS RESEARCHED THE NAME AND DATES ONLINE. SHE SHARED THE STORY ON FACEBOOK. SHE HAS TALKED TO WAL-MART EMPLOYEES. AND NOW, SHE IS HOPING 8 ON YOUR SIDE CAN HELP SOLVE THE CASE OF THE LOST LOCKET. I WANT TO GET IT TO THE RIGHT PERSON. AND, WHEN I TOOK IT, I PUT IT IN MY JEWELRY BOX. I SAID DON’T WORRY JOHN, I’M GOING TO GET YOU HOME. Reporter: WHAT A POWERFUL STORY, KEITH. YOU KNOW, THIS WOMAN WHO FOUND THE HEART CERTAINLY HAS A HEART OF GOLD. WE ARE SO GLAD SHE CONTACTED 8 ON YOUR SIDE. SO, IF YOU LOST THIS ON A FRIDAY NIGHT, SEPTEMBER 30th AROUND 8:30 AT NIGHT, THAT IS WHEN IT WAS DISCOVERED RIGHT HERE AT 6192 GUNN HIGHWAY IN TAMPA. PLEASE COME BACK AND CLAIM IT BECAUSE PAMELA HAS BEEN WORKING VERY HARD TO FIND YOU. YEAH. SHE HAS DONE A GREAT JOB. SHE IS A GREAT DETECTIVE AS YOU POINTED OUT THERE. HOPEFULLY, THE PERSON WHO LOST THE LOCKET WILL BE REUNITED WITH IT SOON. Reporter: AND THAT IS WHAT WE ARE HOPING FOR AS WELL. IF YOU ARE THAT PERSON, CONTACT THE STORE MANAGER AND HOPEFULLY, THAT LOVED ONE CAN