So the LORD plagued the people because of what they did with the calf which Aaron made.
Exodus 32:35
Surrounding context
32:34 Now therefore, go, lead the people to the place of which I have spoken to you. Behold, My Angel shall go before you. Nevertheless, in the day when I visit for punishment, I will visit punishment upon them for their sin."
32:35 So the LORD plagued the people because of what they did with the calf which Aaron made.