Police link overnight Central Texas robberies

This article has been updated throughout. 
AUSTIN (KXAN) — Three overnight armed robberies appear to be linked, police say.
The string of robberies started just before midnight in San Marcos. San Marcos police say around 11:45 p.m., a man wearing a hoodie with light-colored sleeves tried to open the doors of a Wing Stop restaurant at 913 Highway 80. When he realized the doors were locked, witnesses say he brandished a small, silver-colored handgun in full view of the customers still i