This is an I-Heart podcast.

Guaranteed Human.

When a young woman's car is found abandoned on a New Jersey bridge,

detectives want to know how did she simply vanish into the night?

Nobody knew where she was.

It was a 19-year-old girl who would have normally been attached to her phone,

and she was off the grid.

Secrets, trust, and a friend's ultimate betrayal.

I'm Jiu Chang from 2020 and ABC Audio.

Listen now to Bridge of Lies, wherever you get your podcasts.

As far as the nurse was concerned, the behaviour seemed odd and distinctly unnerving.

That fellow who'd been bedridden for weeks with a slipped disc,

he just kept staring at everyone and scribbling in his notebook and staring some more and writing some more.

The nurse reported the suspicious activity to an administrator who dropped by the patient's

bedside to investigate.

What did he think he was playing at?

The patient was delighted to be asked. He took out the notebook and began to explain.

He had been making a careful time and motion study of the hospital staff and had observed

everything, all the inefficient movements, the squandered energy, and the wasted time.

It could all be done so much better.

The patient's name was Robert Proopst, and Robert Proopst was a genius.

His colleagues certainly thought so.

...