ABC SEVEN. SOUTH BAY REPORTER LAUREN MARTINEZ JOINS US NOW FROM SAN JOSE WITH DETAILS. LAUREN >> DIANA AND DAN, THE GOAL OF THIS LARGE SCALE OPERATION IS TO ARREST SUSPECTS ATTEMPTING TO CONTACT CHILDREN. AUTHORITIES ARE REALLY EMPHASIZING TO PARENTS THEY CANNOT SIT BACK AND ASSUME CHILDREN WILL BE SAFE ONLINE. >> SHERIFF'S OFFICE. KEEP YOUR HANDS, HANDS. >> THE SACRAMENTO SHERIFF'S OFFICE RELEASED THIS VIDEO OF A THREE DAY STING OPERATION CENTERED ON INTERNET CRIMES AGAINST CHILDREN ON THE LEAD CASE AGENT FOR THIS OPERATION, UNDERCOVER DETECTIVES POSED AS CHILDREN 13 YEARS OLD AND YOUNGER ON VARIOUS SOCIAL MEDIA PLATFORMS. >> SUSPECTS OFTEN DIRECTED THESE KIDS TO COMMIT SEXUAL ACTS AND OR ASKED FOR MATERIAL. >> THE OPERATION LED TO 24 ARRESTS. SEVERAL WERE PEOPLE ENTRUSTED PUBLIC POSITIONS WITH ACCESS TO CHILDREN. THE REST OF SAN JOSE FIREFIGHTER WHO LIVES HERE IN SACRAMENTO, A SUNDAY SCHOOL TEACHER, A UNITED STATES POSTAL SERVICE WORKER. COURT DOCUMENTS SHOW THE SACRAMENTO DISTRICT ATTORNEY'S OFFICE IS CHARGING SAN JOSE FIRE CAPTAIN SPENCER PARKER WITH THREE FELONIES. PARKER IS CHARGED WITH ATTEMPTING LEWD ACTS WITH A 13 YEAR OLD GIRL, A SAN JOSE CITY SPOKESPERSON SAID PARKER'S LAST SHIFT WAS MARCH 31ST. HE WAS PUT ON LEAVE ON APRIL 11TH AND RESIGNED THE NEXT DAY. WHAT SOCIAL MEDIA PLATFORMS WERE UTILIZED? WE SPOKE WITH LEGAL ANALYST AND FORMER PROSECUTOR STEPHEN CLARK. >> WERE CITY RESOURCES INVOLVED IN ANY WAY? WAS THIS INDIVIDUAL ON CITY TIME DURING ANY OF THIS INVESTIGATION? IT'S AN IMPORTANT, I THINK, FOR THE CITY OF SAN JOSE TO FIGURE OUT WHAT EXACTLY HAPPENED HERE. >> DURING MONDAY'S PRESS CONFERENCE, SACRAMENTO COUNTY SHERIFF JIM COOPER EMPHASIZED THE MEN ARRESTED DURING THE STING OPERATION DON'T FIT A PARTICULAR PROFILE, AND THEY RANGE IN AGE FROM 20 TO 70 YEARS OLD. THEY GOT ON A WALKER. >> THERE'S NO ONE MODEL FOR SOMEONE THAT'S INVOLVED WITH THIS, BUT BUT I CAN'T STRESS ENOUGH TO PARENTS DO YOUR JOB. YOU'RE THE PARENT. IT'S NOT NEGOTIABLE ON PHONES, ON SOCIAL MEDIA PLATFORMS. KNOW WHAT YOUR KIDS ARE DOING. >> CLARK SAYS. THESE INVESTIGATIONS ARE DESIGNED TO PREVENT SEXUAL ASSAULTS. >> SO I THINK THAT'S THE TAKEAWAY THAT THAT'S WHY WE'RE DOING THIS, NOT TO ENTRAP PEOPLE, BUT TO PREVENT CERTAIN PEOPLE FROM COMMITTING A CRIME AGAINST A CHILD. >> NOW, ACCORDING TO COURT RECORDS, THE FORMER SAN JOSE FIRE CAPTAIN WILL RETURN TO COURT THIS WEDNESDAY MORNING FOR A MANDATORY SETTLEMENT CONFERENCE LIVE IN SAN JOSE. LAUREN MARTINEZ AB