Colin Kaepernick appears to sideswipe Kevin McCarthy amid speaker's barbs with Gavin Newsom

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Colin Kaepernick, the former NFL quarterback-turned-social justice activist, appeared to take a shot at House Speaker Kevin McCarthy on Thursday as he quote-tweeted California Gov. Gavin Newsom.

Newsom and McCarthy, R-Calif., traded barbs on Twitter over crime in the Golden State. Newsom tweeted he would propose a 28th Amendment to the U.S. Constitution in hopes of ridding the country of gun violence.

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House Speaker Kevin McCarthy talks to reporters just after Republicans passed a sweeping debt ceiling package, at the Capitol, April 26, 2023. (AP Photo/J. Scott Applewhite)

McCarthy chimed in and wrote there was no need for the amendment when the Second Amendment already exists.

To that, the Democrat governor wrote: "What we need is you to own up to the fact that you represent a district with the highest murder rate in our state – and you’re doing nothing to address it."

Gov. Gavin Newsom heads to a press conference in Half Moon Bay, California, on Jan. 24, 2023. (Dai Sugano/MediaNews Group/East Bay Times via Getty Images)

That’s when the former San Francisco 49ers quarterback weighed in.

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"#KillingCounty," he wrote in reference to his TV series which examines so-called controversial deaths involving Kern County law enforcement.

McCarthy’s district covers parts of Kern, Tulare, Kings and Fresno Counties in California. McCarthy is a Bakersfield native and part of the documentary touches on the Bakersfield Police Department.

Kaepernick has been more active in the social justice sphere since he left the