(CNN)Prosecutors in the US Attorney’s office plan to open a federal murder investigation into the death of Brian D. Sicknick, a US Capitol Police officer who died Thursday night, a law enforcement official tells CNN.

Source: https://news.google.com/__i/rss/rd/articles/CBMiUGh0dHBzOi8vd3d3LmNubi5jb20vMjAyMS8wMS8wOC9wb2xpdGljcy9jYXBpdG9sLXBvbGljZS1vZmZpY2VyLWtpbGxlZC9pbmRleC5odG1s0gFUaHR0cHM6Ly9hbXAuY25uLmNvbS9jbm4vMjAyMS8wMS8wOC9wb2xpdGljcy9jYXBpdG9sLXBvbGljZS1vZmZpY2VyLWtpbGxlZC9pbmRleC5odG1s?oc=5

News – Federal murder investigation to be opened in Capitol Police officer’s death