A standoff between rival government forces outside the presidential compound in South Korea is a startling development, even for observers used to the country’s famously rough and tumble politics.

Charges and counter-charges reverberate around South Korea’s impeached president, Yoon Suk-yeol. Add “resisting arrest” to the “insurrection” claimed by his foes. Then again, how about accusing the investigators of “trespassing” — and even staging an “insurrection” of their own — in Korea’s version of “Catch Me if You Can”?