https://dailycaller.com/2019/02/22/strzok-lisa-page-insurance-policy-burn-source/Quote
Former FBI officials Peter Strzok and Lisa Page claimed in congressional testimony last year that their infamous “insurance policy” text message was a reference to an internal FBI discussion about whether to potentially expose a longtime bureau source by mounting an aggressive investigation against the Trump campaign.
“As I sort of explained, if he is not going to be President, then we don’t need to burn longstanding sources and risk sort of the loss of future investigative outlets, not in this case, but in other Russia-related matters,” Lisa Page told lawmakers on July 13, 2018, according to portions of a transcript confirmed by The Daily Caller News Foundation.
In testimony on June 27, 2018, Strzok claimed that his text message discussion with Page concerned whether to open up a “very sensitive source” to exposure in the investigation.
The text message that Strzok and Page sought to explain was sent on Aug. 15, 2016, around two weeks after the FBI opened “Crossfire Hurricane,” the counterintelligence investigation into the Trump campaign.
“I want to believe the path you threw out for consideration in Andy’s office — that there’s no way [Trump] gets elected — but I’m afraid we can’t take that risk,” Strzok wrote in a text to Page, referring to then-FBI Deputy Director Andrew McCabe.
“It’s like an insurance policy in the unlikely event you die before you’re 40,” added Strzok, who then served as deputy chief of counterintelligence at the FBI.
The claims about potentially exposing a source add a new wrinkle to the debate over the controversial text message, especially given Page’s concerns that exposure could potentially undercut future Russia-related probes, but not the Trump investigation.
This reads as exculpatory to me, so I'm not sure what Chuck is trying to do here.