Not from Austin, but from Dallas:
http://americannewsx.com/hot-off-the-press/texas-elector-suprun-wont-vote-trump/
“...Suprun is the Republican elector representing Texas’ 30th congressional district. He was a firefighter at the twin towers on 9/11, and is a founding member of the NeverForget911 public charity.
Late in the evening of December 5th, just two weeks before the scheduled meeting of the Electoral College, he became the first official “faithless elector” to publicly break ranks with Trump. ...”
And the district is “safely Democrat” per this:
https://ballotpedia.org/Texas%27_30th_Congressional_District_election,_2016
In other words, he’s surrounded by loony libs.
That may explain his shift.
Also:
Look under Northern Virginia Soil and Water Conservation District-3 Directors here:
Not a native Texan.