Its mission was to conduct military intelligence and to monitor the other side of the civil war, the so-called "reds."

Later famous politician and president of Finland Urho Kekkonen worked as abitur of jurisprudence and lawyer in EK.

The true director was considered to be the extra department head Aimo Aaltonen who was also the president of Suomen kommunistinen puolue (SKP) ("The Communist Party of Finland").

His status was later confirmed in Ahlbäck's committee's hearings, and the investigation led to criminal charges against Brusiin and other personnel from Valpo for negligence of official duty.

[2] Valpo was decommissioned in 1948 and replaced with Suojelupoliisi which started its operation at the beginning of 1949 and had a considerably smaller staff.