As a member of the Homeland Union – Lithuanian Christian Democrats, he was elected to the Seimas (parliament) in 2008 and reelected in 2012, 2016 and 2020.

[4] In 1990, after Lithuania declared independence, he started serving in the Lithuanian National Defence Volunteer Forces and was promoted to reserve lieutenant in 1995.

From 1998 to 2007, Anušauskas was the Head of the Genocide and Resistance Research Centre of Lithuania (GRRLC).

[5] Anušauskas is an author and co-author of numerous history books and 14 scripts for documentaries, and around 100 studies and articles published in Lithuanian, Polish, Latvian, French and German scientific publications.

Anušauskas joined the Homeland Union – Lithuanian Christian Democrats in 2007 (although he stood in this party's multi-member list in 2004 parliamentary election).