Russia Ukraine war, page-213940

Mission success, I guess...
Anti-Kremlin militia says 'hot phase' of recent incursions into Russia is over
https://kyivindependent.com/anti-kremlin-militia-says-hot-phase-of-raids-into-russia-is-over/
At a press conference later that month, representatives of the groups said their goal was to "open a second front" and ease pressure on Ukrainian troops on the Kupiansk axis. Russian nationalist Denis Kapustin, the commander of the Russian Volunteer Corps, said that the militias "stabilized the front" and "eased the pressure of Russian troops in certain areas."
[...]
The militias claimed to have captured 37 Russian soldiers as of March 21 following their incursions. According to the fighters, Russia has lost over 1,500 soldiers killed and wounded and more than 100 pieces of equipment. The number is questioned by experts and believed to be significantly exaggerated.

Another article which mentions Kapustin:
For Ukraine Military, Far-Right Russian Volunteers Make for Worrisome Allies
https://www.nytimes.com/2023/05/26/world/europe/the-leader-of-a-russian-group-involved-in-a-border-incursion-is-described-by-watchdogs-as-a-neo-nazi.html