One of my USBC teammates bowls with him in a league at Palace Lanes (which Lilliard owns and, in my experience, the home of the biggest back ends of any house I have ever bowled in) in Houston. I was visiting my friend at Palace one night when Bill came over and sat down to have coffee and a few yuks with us. Very much a traditional gentleman and fine person.
Watched him throw a few balls, and he retains the distinct approach I saw many years ago when I was a teenager and he opened a new house in Fort Worth in an exhibition match with Andy Varipapa (king of the trick shots). A little stiffer and slower now, but aren't we all.