Free article:
https://finance.yahoo.com/news/citi-bankers-leave-jefferies-municipal-203105781.html
From Bloomberg (quoted below):
https://www.bloomberg.com/news/articles/2023-11-27/citi-muni-bankers-leave-for-jefferies-with-department-in-turmoil?embedded-checkout=true
"A team of public finance bankers focused on healthcare has left Citigroup Inc. for rival Jefferies Financial Group after the firm’s executives have mulled closing the municipal banking department altogether, according to people familiar with the matter."