Police take calls over NCA bombing

South Australian police have taken 14 calls about the 1994 bombing of the National Crime Authority offices in Adelaide after revealing details of a new taskforce.

Detective Sergeant Geoffrey Bowen was killed and lawyer Peter Wallis was injured in the explosion from a parcel bomb on March 2, 1994.

The taskforce was announced on Tuesday, and a $1 million reward for information that leads to a conviction remains in place.