From the trusted team behind 48 hours, welcome to case-by-case.

Your weekly update on the biggest true crime stories unfolding right now.

Nick Ryder remains in custody without bail.

Luigi Mangione accused of stalking and gunning down United Healthcare CEO Brian Thompson.

From high-profile trials and stunning evidence to major breaks in cold cases.

We'll follow it all case by case.

Follow and listen to 48 hours case by case wherever you get your podcasts.

Music I was with the prosecutor's office for 30 years, and this was my last trial in my career.

Being a prosecutor has a lifelong effect on you.

There has to be some way to come back to humanity and put the violence aside.

This was an aggravated murder case.

The victim's name is Gloria Choi. She was a hardworking mom, a good role model, and Gloria's parents talk about how she was kind of their angel.

She spent most of her life working in the family business of running hotels.

She came off very shy and quiet, but she was nothing of those.

She was passionate about her family and her son, had hopes and dreams for herself.

What we know is there were four calls placed to law enforcement in the final 48 hours before she was killed.

This person continues to stalk her, has slashed her tires, has stolen thousands of dollars worth of property.

She called for help and she was deprived of help that she's entitled to under the law time and time again.

The evening that she was murdered, she was going home, actually just taking a break to eat dinner. He was right behind her when she left.

He knew everywhere she went.

Now, what's location in, sir?

I don't know where I am, but I'm scared to get out of my car.

...