Memes and online posts in support of 26-year-old Luigi Mangione, who's charged with killing UnitedHealthcare's CEO, have mushroomed online.

From hashtags and memes to merchandise like mugs, hats and tote bags featuring slogans like "Mommy's Little CEO Killer," social media is buzzing with sympathy for Luigi Mangione.

Support for Luigi Mangione, charged in connection with the fatal shooting of UnitedHealthcare CEO Brian Thompson, is part of the bitter messaging that’s been bubbling up amid debate about

Luigi Mangione has been charged with murder in the killing of UnitedHealthcare CEO Brian Thompson. He's currently in Pennsylvania, but facing extradition to New York where he may face charges for murder. Handout / Getty Images / Facebook: Altoona Police Department / facebook.com / Twitter: @ArmandDoma

Mangione is in a Pennsylvania jail cell as he awaits extradition to New York on murder charges. Little new information is available about a possible motive, though writings found in Mangione’s possession hinted at a vague hatred of corporate greed and an expression of anger toward “parasitic” health insurance companies.

Luigi Mangione‘s lawyer Thomas Dickey said his client would plead not guilty — and ask for bail — in the killing of UnitedHealthcare CEO Brian Thompson.