The 31-year-old defender was dismissed just past the hour mark in the Premier League encounter at the King Power Stadium earlier today.
Williamson picked up his second booking of the match for a rather rash challenge on Jamie Vardy (see picture above), as the Magpies went on to lose it 3-0.
Carver has now claimed that the 31-year-old centre-back got himself booked twice on purpose, as he had words with the defender at half time.
“I spoke to Mike Williamson at half time and had a few choice words,” the Englishman told BBC Sport. “I thought he'd done that (got sent off) on purpose - it looks like he did.
“The ball was off the pitch - he had no need to make the challenge. He will miss two games now, is it an easy way out?”
It is a strong accusation from Carver, and one that will be debated upon by the Newcastle fans.
It now remains to be seen how Carver and Newcastle deal with the situation. If things like this are happening, then there is certainly something not right in the Magpies' camp.
Has Carver lost the dressing room? Are the players not responding to his authority? Are the players not happy to play under him?
These are some of the key questions that will be asked in the coming days, as Newcastle stare at relegation from the Premier League following eight defeats in a row.