Who said this? #3

[Capt. Hamp Cox]

"My first step was disobedience; next whisky drinking; next carrying pistols; next gambling, and then murder, and I suppose next will be the gallows."

Hint:  His supposition was right.

[Capt. Hamp Cox]

Second hint:  His initials were "WPL".

[Big Hext Finnigan]

Does Wild Bill Longley work fer ya?

[Capt. Hamp Cox]

Does Wild Bill Longley work fer ya?

William Preston (Wild Bill) Longley it is.