MAKE SURE TODOWNLOAD OUR NBC BAY AREA APP. WE WILL SEND YOU BREAKING NEWS AND WEATHER ALERTS TO YOUR PHONE. >>> SAN LEANDRO IS PARTIALLY OPEN AFTER A POLICE CHASE BROUGHT THE FREEWAY TO A HALT. THIS IS HOW IT STARTED. APPARENTLY, KILLING INSIDE A PLEASANTON HOME TRIGGERED A POLICE CHASE THAT THEN TURNED TO THE EAST BAY FREEWAY INTO A PARKING LOT. NBC BAY AREA NEWS JODI HERNANDEZ JOINS US LIVE. WHAT DO WE KNOW ? IT IS VERY UNUSUAL FOR THAT SMALL ENCLAVE. >> Reporter: VERY UNUSUAL FOR PLEASANTON. POLICE INVESTIGATORS ARE AT THE SCENE. THIS IS WHERE IT ALL STARTED. POLICE ARE TRYING TO DETERMINE WHAT LED TO THE DEADLY SHOOTING OF A MOTHER. ISSUED IN THE HAS LEFT A COMMUNITY SHAKEN AND CAUSED A CHAOTIC SCENE ON THE FREEWAY. >> IT IS A SAFE PLACE. A SAFE NEIGHBORHOOD AND A VERY SAFE CITY. >> Reporter: THE SENSE OF SAFETY UNRAVELED THIS MORNING WHEN THE SON OF GUNFIRE BROKE OUT IN THIS PLEASANTON TOWNHOME COMMUNITY. >> THIS MORNING AT AROUND 11:00 AM WE RECEIVED A 911 CALL THAT THERE WERE GUNSHOTS IN THE AREA OF SAGINAW CIRCLE. WHEN OFFICERS ARRIVED ON SCENE, THEY FOUND A FEMALE VICTIM THAT WAS DECEASED WITH SEVERAL GUNSHOT WOUNDS. TO A NEIGHBOR REPORTED A BLACK LEXUS WEAVING THE SCENE. AS POLICE ARRIVED THEY SPOTTED THE CAR AND BEGAN FOLLOWING IT WESTBOUND ON I-580. >> THAT VEHICLE BECAME DISABLED . WE ARE UNSURE HOW. IN THE AREA OF I- 580 AND 150th IN THE CITY OF SAN LEANDRO. >> Reporter: CHP, SAN LEANDRO POLICE AND THE COUNTY SHERIFF'S APARTMENT RESPONDED. AN HOURS LONG STANDUP FINALLY ENDED WHEN POLICE DISCOVERED THE SUSPECT WAS INSIDE THE CAR ON I-580. FROM A SELF-INFLICTED GUNSHOT WOUND. POLICE HAVE NOT IDENTIFIED THE SUSPECT OR THE VICTIM, BUT THEY DO BELIEVE CHILDREN LIVED IN THE PLEASANTON HOME. THE KIDS WERE NOT THERE WHEN THE SHOOTING TOOK PLACE. >> IT IS AN ABSOLUTE TRAGEDY. OUR THOUGHTS AND PRAYERS GO OUT TO THE FAMILY OF THE VICTIM. WE WILL TRY TO FIND EVERY PIECE OF EVIDENCE THAT WE CAN TO UNDERSTAND WHAT HAPPENED HERE TODAY. >> Reporter: NEIGHBORS SAY THEY CANNOT BELIEVE SUCH A HEARTBREAKING TRAGEDY HAPPENED HERE. >> WOW. THAT IS HORRIBLE. ABSOLUTELY HORRIBLE. >> WHATEVER SOMETHING DRAMATIC HAPPENS LIKE THIS TO A CHILD'S FAMILY, THE WHOLE SCHOOL SYSTEM AND ALL OF THEIR FRIENDS AND THE COMMUNITY IS AFFECTED BY IT. >> Reporter: WE ARE BACK HERE LIVE IN PLEASANTON REGENCY CRIME SCENE INVESTIGATORS ARE STILL OUT HERE. POLICE HAVE NOT DISCLOSED THE RELATIONSHIP BETWEEN THE SHOOTER AND THE VICTIM. THEY ARE DETERMINED TO GET TO THE BOTTOM OF WHAT LED TO THIS. REPORTING LIVE IN PLEASANTON, I AM JODI HERNANDEZ, NBC BAY AREA NEWS . >> THE CHASE ULTIMATELY ENDED ON I-580 IN SAN LEANDRO TRIGGERING A FORECLOSURE THAT TURNED THE FREEWAY INTO A PARKING LOT. CHRISTY SMITH JOINS US LIVE FROM SAN LEANDRO WERE SOME LANES ARE STILL CLOSED AT THIS HOUR. >> Reporter: THAT IS BECAUSE INVESTIGATORS ARE STILL ON SCENE ON THE FREEWAY. THE LAST WE CHECKED, THERE WERE TWO LANES THAT WERE CLOSED IN THE WESTBOUND DIRECTION OF I-580. WE ARE AT THERE DRIVE. I WILL GIVE YOU A LOOK AT WHAT THE FREEWAY LOOKS LIKE AT THIS HOUR. WHILE IT HAS BEEN SPARKING BIG SLOWDOWNS, THE TRAFFIC SITUATION HAS IMPROVED FROM WHAT WE SAW EARLIER TODAY. THAT WAS AT NOON WHEN WESTBOUND I-580 WAS CLOSE TO 164th AND EASTBOUND AT 150th. AS OFFICERS AND DEPUTIES TRIED TO FIGURE OUT WHETHER THE MURDER SUSPECT INSIDE THE BLACK LEXUS WAS STILL A THREAT. THE RESULTING BACKUP WAS MASSIVE. EASTBOUND LANES FINALLY REOPENED JUST AFTER AN HOUR. FOLLOWED BY TWO OF THE WESTBOUND LANES. TONIGHT, AS INVESTIGATION CONTINUES, THE LANES ARE STILL SHUT DOWN. DRIVERS HAVE SPENT MUCH OF THE DAY TRIED TO FIGURE OUT HOW TO GET AROUND THE GRIDLOCK. WE SPOKE WITH SOME PEOPLE NEAR THE SCENE ABOUT THE TRAFFIC. >> WE WENT OFF THE OFFER UP AND WE WERE STUCK FOR 20 MINUTES. I KNEW IT WOULD BE OURS BECAUSE IT JUST HAPPENED. IT JUST STOPPED WHEN WE ARE ON THE FREEWAY. IT IS NOT GOING ANYWHERE. >> HAS BEEN BACKED UP THEY JUST RECENTLY OPENED THE TRAFFIC RACK UP. IT WAS BLOCKED ALL THE WAY DOWN ALMOST TO HAYWARD. IT WAS BLOCKED WAY OVER BY THE OAKLAND AREA. THEY ARE JUST NOT LETTING PEOPLE GET THROUGH. >> Reporter: I DID SPEAK WITH CHP BY PHONE A SHORT TIME AGO ABOUT WHEN THE LAST LANES MAY REOPEN. AT THIS POINT, THEY DID NOT HAVE AN EXACT TIME, BUT THEY DID TELL ME A TOW TRUMP WAS
