"Sitting around the house—secret audio recordings would later show—the two often talked about Chinese politics, remarking that Mao, like Stalin, was misunderstood by history. The influence of Maoist ideology was, perhaps, evident in the Maks’ extreme frugality: they ate their meals off of newspapers, which they would roll up and toss in the garbage. Every Saturday morning, after a game of tennis, they drove to a gas station and washed their car using the mops and towels there. From the gas station, the Maks drove to a hardware store and disappeared into the lumber section for ten minutes, never buying anything. For weeks, the agents following them wondered if the Maks were making a dead drop, but it turned out that the lumber section offered free coffee at that hour."
You can read more in The New Yorker HERE.