However, you can try contacting KABB or Fox 26 News directly to see if they have any records or information on the City Under Siege Rolex Bandit story from 1991. They might be able to provide you with some assistance or point you in the right direction for obtaining the desired information. Here's the contact information:
KABB
4141 Southwest Fwy, Houston, TX 77098
(713) 669-6397
https://www.khou.com/contact
Or you can try contacting the Houston Public Library. They have an extensive archive of historical newspapers and may have information about the Rolex Bandit case.