Shawn Leval Smith News Today : Breaking News, Live Updates & Top Stories | Vimarsana

>> these lives are speaking to mental health, substance abuse, housing and ensuring that people who are a danger to the public are not allowed to remain on our city streets. >> reporter: cnn affiliate kcal cbs reports smith was recognized in a pasadena restaurant when smith entered to use their bathroom. after he left, one of the workers called police and that is when across the street at a bus stop police quickly moved in to apprehend him. stephanie elam, cnn, los angeles. still ahead, it's been close to two years of dealing with home schooling, quarantines, vaccines, masks, you name it. we...

>> reporter: around 5:00 a.m. 70-year-old registered nurse sandra shells was at a bus stop downtown heading to work when a man struck her in the face without provocation, police say. shells fell backwards, fracturing her skull when she hit the concrete. the los angeles fire department responded, rushing shells to the los angeles county usc medical center which had been her original destination. this is where she worked in the emergency department for nearly 40 years. shells died of her injuries three days later. >> we lost an outstanding nurse who dedicated her life to the vulnerable populatio...

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Ground lifeless, covered in blood. that person called 911. we do believe that the suspect is homeless. and that's in part by the fact that he came on foot, left on foot. >> reporter: police say she was stabbed to death, releasing video of the suspect making a purchase in a nearby convenience store about 30 minutes after the murder. after a nearly week-long manhunt, police arrested a homeless man wednesday. 31-year-old shawn leval smith. for her family, the agony is raw. >> in denial, still, some anger. there's a lot of sadness. everybody is trying to find a way to process it. it can't happen t...