Original sentence: Both claims are refuted in Frasier (in which Martin is an ex-police officer who is very much alive), and this comment is retconned in the later show as being the result of bad feelings between Martin and Frasier at the time
Edited sentence: Both claims are refuted in Frasier (in which Martin is portrayed as a vibrant and witty retired police officer), and this comment is retconned in the later show as being the result of bad feelings between Martin and Frasier at the time