"We cannot ignore the grave letter from the head of the Shin Bet. Summon him immediately to present his claims.
Ben-Gvir did not offer proof of his claims and appeared to have bunched together a number of issues with unclear relations between them.
Additional protests are planned for Monday, including a Shift 101 protest for the hostages and a march organized by the Academic Protest.
The comment came in response to a Channel 12 report, which claimed the agency carried out in recent months a secret probe into the police on suspicion of undermining the state and democracy.
The IDF has significantly expanded its ground operations within the Gaza Strip since March 18.
The Prime Minister's Office noted it had not been notified of the investigation. The office of the national security minister accused Shin Bet chief Ronen Bar.
The suspicion arose after the senior PMO employee sent information to the activist who wanted to protest in front of Prime Minister Benjamin Netanyahu's vehicle regarding the Israeli leader's convoy.
The TA-90 fell by 4.5%, TA-35 fell by 3.3%, TA-125 fell by 3.4%, and the banks index fell by over 6.5%, which also followed a sharp depreciation of the shekel on Friday.
"This elimination further degrades Hamas’ military and government capabilities," the military noted.
The agencies said that, according to the investigation, the suspect was in contact with Iranian intelligence agents.