The most common and most likely answer to this crossword clue is the 5 letter word FELON
I've seen this crossword clue in Financial Times
F
E
L
O
N
More clues leading to the result FELON
- Crook fleeces exec at first, taking half of capital
- In low area have look for criminal
- Look in bog for criminal from Texas
- Some lifelong criminal
- Mugger attacked – only one pound taken
- Contribution from lifelong criminal
- Criminal hides large ring in marshy land
- Recall number virtually abandoned convicted offender
- Half-heartedly attacked person with convictions
- Criminal escaped without wife – she’s back inside
Buddy explains!

The straight part
We know that "criminal from Texas" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case criminal from texas = felon.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does FELON mean?
FELON noun- A person who has committed a felony.
- A person who has been tried and convicted of a felony.
- A wicked person.
- Wicked; cruel
- A bacterial infection at the end of a finger or toe.