During an evening church service,

38-year-old Steve Robards fell ill.

He died later that night of a heart attack.

One year later, while reading Hamlet,

Steve Robard's daughter studied the lines of Claudius the king

when he says the following about death, jealousy, guilt, and revenge.

My words fly up. My thoughts remain below.

Words without thoughts never to heaven go.

In these words, a clue to her father's death.

The cities of Dallas and Fort Worth, Texas.

Locals call it the Metroplex.

It's the largest consolidated metropolitan area in the state,

known for the assassination of President John F. Kennedy in Dealey Plaza in 1963.

38-year-old Steve Robards was a Texas native recently divorced

and worked as a mail carrier for the United States Postal Service.

Very proud of his job, which was just a rural route postman,

but he liked his job.

He liked being outdoors and felt some pride in it.

His 16-year-old daughter Marie had recently moved in with him

after a disagreement she had with her mother's new husband.

So they were living in a one-bedroom apartment at this time,

and he was on the list to get the next available larger apartment,

...