Two top Republican senators are signaling that the intelligence community's top watchdog should probe potential "leaks" to reporters after the 2016 presidential election about the investigation into Russia's election meddling and President TrumpDonald John TrumpJulián Castro: It's time for House Democrats to 'do something' about Trump Warren: Congress is 'complicit' with Trump 'by failing to act' Sanders to join teachers, auto workers striking in Midwest MORE's campaign. 
 
Sens. Ron JohnsonRonald (Ron) Harold JohnsonTrump administration floats background check proposal to Senate GOP Republicans wary of US action on Iran Democratic senator warns O'Rourke AR-15 pledge could haunt party for years MORE (R-Wis.) and Chuck GrassleyCharles (Chuck) Ernest GrassleyOvernight Health Care — Presented by Partnership for America's Health Care Future — Pelosi unveils signature plan to lower drug prices | Trump says it's 'great to see' plan | Progressives pushing for changes Trump: 'Great to see' Pelosi plan to lower drug prices Pelosi unveils signature plan to lower drug prices MORE (R-Iowa) — the chairmen of the Senate Homeland Security and Finance committees, respectively — sent a letter on Monday to Michael Atkinson, the inspector general for the intelligence community, asking if his office was investigating "apparent leaks" from the intelligence agencies. 
 
"Texts and emails demonstrate the need to investigate leaks from agencies or entities other than FBI," the two senators wrote in their letter
 
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If an investigation isn't ongoing, the two senators want an explanation from Atkinson on why the watchdog office hasn't opened a probe. 
 
A spokesperson for the intelligence community's inspector general office didn't immediately respond to a request for comment. 
 
The letter comes as Grassley, Johnson and Senate Judiciary Committee Chairman Lindsey GrahamLindsey Olin GrahamSenate Judiciary Committee requests consultation with admin on refugee admissions Trump reignites court fight with Ninth Circuit pick Trump judicial picks face rare GOP opposition MORE (R-S.C.) are laying the groundwork for their own probe into the 2016 election, including the FBI's handling of the probe into former Secretary of State Hillary ClintonHillary Diane Rodham ClintonMissing piece to the Ukraine puzzle: State Department's overture to Rudy Giuliani On The Money: Trump downplays urgency of China trade talks | Chinese negotiators cut US trip short in new setback | Trump sanctions Iran's national bank | Survey finds Pennsylvania, Wisconsin lost the most factory jobs in past year Meghan McCain, Ana Navarro get heated over whistleblower debate MORE's emails and the Foreign Intelligence Surveillance Act warrant application on former Trump campaign aide Carter Page. 
 
The two senators previously requested a briefing from Attorney General William BarrWilliam Pelham BarrClarence Thomas, Joe Manchin, Rudy Giuliani among guests at second state visit under Trump Democrats to seek ways to compel release of Trump whistleblower complaint Democrats press Nadler to hold Lewandowski in contempt MORE on his effort to investigate alleged "spying" during the 2016 election after Barr told lawmakers that he was looking into the issue.
 
Grassley and Johnson, in their Monday letter, point to a set of text messages between former FBI officials Peter Strzok and Lisa Page that they argue points to evidence that other intelligence agencies were leaking to the media during the 2016 election. 
 
In one text message from December 2016 included in the Grassley-Johnson letter, Strzok is quoted as texting that he thought "our sisters have begun leaking like mad." The letter doesn't clarify who "sisters" refers to, and Grassley and Johnson also appear to be in the dark about who it is. 
 
In another email, Strzok in April 2017 posits that an "agency" got more information than he previously realized and adds "might explain all these weird/seemingly incorrect leads all these media folks have. Would also highlight agency as source of some of the leaks." 
 
The GOP senators also appear not to know who the "agency" in question is, asking in their letter to the intelligence community watchdog who Strzok is referring to and why he thinks it implies an agency is leaking. But the two senators say in their letter that Strzok's email is in response to a Guardian article about British intelligence agencies alerting their U.S. counterparts about contact between members of Trump's campaign and Moscow.