I'll take it a step further and say not only did they scare the shit out of him, they threatened him and his dad, since 'now he knows'.

The interviews of Rand with luke rudowski in the past were flowery and open - after the nomination, luke goes to interview, and the body language on rand paul says "i'm scared to death at what i've learned, i'm scared to death for my own life, i'm scared to death if I don't follow my new orders"

See for yourself:

Before: [link to www.youtube.com]

After: [link to www.youtube.com]