Goodfellas : HOW DID SHE KNOW?

How the *beep* did Karen know that Henry was at Morrie's Wig Shop when she called him to tell him that guy beat her about 37 mins into the movie???

1. She called someplace he's normally at and they told her where he actually was.
2. They were friends with Morrie and his wife, so she called a familiar person (Morrie) looking for him.

Really you couldn't figure this out? It's not like Morrie is a stranger to them.

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I'd love to see you in the moonlight with your head thrown back and your body on fire.

He may have said he was going there

Morrie's shop was also right next door or down the street from Henry's restaurant too.