CHARGES AGAINST THE SUSPECT IN THE E PEARSALL SHOOTING. AND REPORTING CONCERNS ABOUT SAFETY ARE STILL TOP OF MIND FOR PEOPLE VISITING AND WORKING AROUND UNION SQUARE TODAY. >> Reporter: CHLOE BURG AND HER FRIEND ARE HAVING LUNCH A BLOCK AWAY FROM WHERE 49ERS PLAYER, RICKY PEARSALL, WAS SHOT SATURDAY AFTERNOON. >> IT'S UNNERVING. I KNOW WE'VE HAD SOME COWORKERS THAT HAVE HAD INCIDENTS WALKING AROUND THIS AREA AROUND MARKET STREET. I MEAN IT'S DEFINITELY, YOU DON'T LIKE TO HEAR IT, BUT A GOOD REMINDER TO BE AWARE OF YOUR SURROUNDINGS. >> Reporter: ON THE FIRST DAY BACK AT THE OFFICE FOR MANY WHO WORK IN THE AREA, WE SAW POLICE OFFICERS DOING FOOT PATROLS. AND THE USUAL SQUAD CARS, PARKED AROUND UNION SQUARE. RIGHT AFTER THE ATTEMPTED ROBBERY AND SHOOTING, MAYOR LONDON BREED SAID THE CITY WOULD BE TRIPLING THE NUMBER OF POLICE OFFICERS IN THE AREA. >> AND THERE IS ALWAYS POLICE HERE. LIKE AROUND THIS AREA, SO THAT ALWAYS MAKES US FEEL SAFE TOO. >> Reporter: BUT SAFETY CONTINUES TO BE A CONCERN FOR MONTGOMERY, WHO WAS COVERING A SHIFT AT GRAYSTONE HOTEL, LOCATED RIGHT ACROSS FROM WHERE PEARSALL WAS SHOT IN THE CHEST. >> IT WAS AN UNFORTUNATE SITUATION. I'M HAPPY THAT HE'S DOING BETTER. BOTH SIDES ARE FORTUNATE. HE'S A KID. >> Reporter: THE DISTRICT ATTORNEY'S OFFICE IS EXPECTED TO FILE CRIMINAL CHARGES AGAINST THE SUSPECT IN JUVENILE COURT BY TOMORROW. SAN FRANCISCO POLICE SAY HE IS 17 YEARS OLD AND FROM TRACY. IT WAS UNLIKELY THE SUSPECT KNEW THAT PEARSALL WAS A FOOTBALL PLAYER. >> IT'S A LEARNING LESSON FOR HIM. FOR HIM TO REALIZE HOW IMPORTANT LIFE IS UNDER THE DECISIONS YOU MAKE. >> Reporter: PEARSALL, A ROOKIE WIDE RECEIVER, WAS RELEASED FROM THE HOSPITAL LESS THAN 24 HOURS LATER, AND WAS SE