The NFL's evidence that Tom Brady knew about a likely plot to deflate footballs before the AFC title game is circumstantial.

But this isn't a court of law. NFL investigator Tedd Wells thought there was enough to conclude Brady was probably "generally aware" of what was going on, and said as much in his report.

One of the key pieces of evidence that led Wells to this conclusion was Brady's level of communication with equipment assistant John Jastremski in the days after the scandal broke. According to the report, investigators believe that Jastremski and locker room attendant Jim McNally conspired to deflate the game balls before the AFC title game, with McNally physically deflating the balls using a needle provided by Jastremski.

After the scandal broke in the early morning hours of January 19, according to the report, there was a significant uptick in communication between Brady and Jastremski. Investigators found this suspicious. Jastremski, who was in charge of preparing balls for game day, hadn't talked to Brady over the phone or exchanged texts with him in six months going into January 19. Over the next 72 hours, according to phone records, they talked on the phone eight times and exchanged 15 texts.

The texts show Brady continually checked up on Jastremski after the scandal broke, talked to him multiple times a day, and even invited him to the quarterback meeting room to talk for the first time in Jastremski's 20 years with the team.

Here's all the communication between the two in the three days after the AFC title game, as detailed by the report.

January 19, the day after the AFC title game: They talk on the phone four times for a total of 25 minutes and exchange 12 texts. It's their first phone communication in six months.

According to the report, Jastremski read a ProFootballTalk article about the deflated football scandal at 7:04 a.m. on the day after the game. Twenty minutes later, at 7:25 a.m., he texted Brady asking him to call him:

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Brady calls him a minute later, and they talk for 13 minutes. Jastremski initially told NFL Security that they didn't talk about the deflated balls, but later told Wells that they did.

9:51 a.m.: Brady texts Jastremski checking up on him. Jastremski says he's "still nervous":

Brady (9:51 a.m.): You good Jonny boy?

Jastremski (9:53 a.m.): Still nervous; so far so good though. I'll be alright

Brady (9:54 a.m.): You didn't do anything wrong bud.

Jastremski (9:55 a.m.): I know; I'll be all good

Brady told investigators he was just supporting Jastremski because he knew Jastremski was responsible for the condition of the balls. Jastremski told investigators he was joking when he said he was "nervous."

10:54 a.m.: Jastremski texts Brady giving him a heads up that head equipment manager David Schoenfeld was going to interview him:

Jastremski (10:54 a.m.): FYI...Dave will be picking your brain later about it. He's not accusing me, or anyone...trying to get to bottom of it. He knows it's unrealistic you did it yourself...

Jastremski (10:55 a.m.): Just a heads up

Brady (10:59 a.m.): No worries bud. We are all good

Jastremski told investigators that the "it's unrealistic you did it yourself" text was a joke.

2:30 p.m.: Brady texts Jastremski asking him to come up to the quarterback room, which is basically Brady's office:

Brady (2:38 p.m.): Jj are you here?

Jastremski (2:38 p.m.): Yup

Brady (2:38 p.m.): Come to qb room

Brady says they discussed ball preparation for the Super Bowl. Jastremski has worked for the team for 20 years and Brady had never called him into his office.

5:21 p.m.: Brady tells Jastremski to call him.

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They talk for 12 minutes, again telling investigators they were talking about Super Bowl balls.

January 20: They talk on the phone twice for nearly 10 minutes and exchange two texts.

7:24 a.m.: Jastremski tells Brady to call him.

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They talk for about six minutes. Again Jastremski says they discussed Super Bowl balls, not the deflated ball scandal.