The polka band that Gus Polinski is in, used to be a cover to run drugs from state to state for Acey before the band decided to "go straight" & try to make the polka band thing stick. Gus _recognizes_ Kate, which is why he intervenes at the the airport with the rental truck offer
I want a dark comedy Home Alone spin-off about Uncle Frank (Still played by Gary Bamman) being so cheap that he stumbles into starting a ponzie scheme and just when it's all going to fall apart and he reveals everything to his wife, it turns out she's very, very good at crime.
...Marley is more than just the kindly neighbor who shovels the sidewalks. He's a detective who got kicked out of the force for his obsession with catching Acey. This obsession also led to relationship issues with his son.