The City of Los Angeles and Elon Musk are having a bit of a moment.

In June, Musk boasted about "promising conversations" he'd had with Los Angeles Mayor Eric Garcetti regarding a tunnel network that would ferry vehicles and pedestrians underneath the city. All of this would ostensibly be built by Musk's newest brainchild, The Boring Company.

This was classic Musk form—and something we saw him do again one month later, when he claimed to have gotten "verbal" government approval for a Washington, DC to New York City hyperloop line. At this time, Garcetti's office would neither confirm nor deny Musk's cryptic claims, but in a statement to Curbed, the mayor appeared amenable to innovating the city's transportation infrastructure.

I was curious to know whether Musk and Garcetti's relationship was fact or fiction. So in June, I submitted a public records request to Garcetti's office for their email correspondence, and any emails pertaining to Tesla or The Boring Company specifically.

While I didn't obtain any messages between the two men, I did learn that Garcetti's alleged enthusiasm for Musk's ventures was apparently genuine—at one point. Two years ago, Garcetti's office hoped to partner with Tesla to launch a groundbreaking driverless car program. And earlier this year, the two parties were speaking once again about an unnamed "commission" for the city.

Although Garcetti and Musk (seemingly) didn't email each other about this, Borja Leon, who serves as Garcetti's Director of Transportation, did get in touch with Musk's office at Tesla. On April 17, 2015, he wrote Musk with a question: