No
No, it is not against the law, while carrying your gun in the state of Texas, you should conceal it.
Depends on Texas law.
State law may allow gun and ammo possesion for convicted felons, but Federal law does not.
the first fugitive slave law was passed in 1793.
Not unless you are law enforcement.
Fugitive
You will need to read the Texas law to get a correct answer.
Please see the link at the bottom of this page for a summary of Texas gun laws.
The fugitive slave law lasted until 1765 to 1776.
More information is needed. If the wife knows where the husband/fugitive is hiding and she can be locate him, but law enforcement can not, she could be charged with aiding and abetting.
they run from the law
Man Without a Gun - 1957 The Fugitive - 1.3 was released on: USA: 21 November 1957