He saw somebody sitting in the driver's seat of a car. He walked up and pressed the muzzle of the gun next to the glass and fired one round.

This man had to be the suspect because he knew so much detail about the case.

If we could track the gun down or find the gun, that would be it. I'm Scott Weinberger, investigative journalist and former deputy sheriff.

I'm Aniseika Nicholazzi, former New York City homicide prosecutor and host of investigation discoveries true conviction.

And this is anatomy of murder.

Just about every woman I know has made habit of certain things almost reflexively to try and keep themselves safe.

Avoiding dark alleys, staying off your cell phone when walking at night,

maybe looking into your back seat whenever you get into the car.

And most of these are common sense measures

that apply to everyone,

because criminals are most successful

when their victims are alone, distracted, or unprepared.

But of course, even the most vigilant among us cannot always be kept safe from those rare

few people determined to do us harm.

In today's story, we're highlighting one such case

that took place in San Diego, California

in October of 1993, when an innocent victim found herself in the path of a career criminal with

deadly results. You know I'll have to tell you San Diego is pretty crime free

but we do have murders but they're low for It was pretty crime-free.

But we do have murders, but they're low for a large city.

That's Tony Johnson, who retired as the senior investigator

for the San Diego District Attorney's Office.

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