The sheriff's office believes a boyfriend fatally shot his girlfriend at a home in Rockford on March 19.
The incident happened Saturday morning on St. Paul's east side.
Authorities suspect the incident to have been a murder-suicide.
The bodies were found in St. Louis County after the pair failed to show for work.
The deceased have been identified.
Police responded to an abandoned 911 call on Saturday evening.
A man and a woman were found dead on Saturday evening.
A man shot his mother and his brother dead, before turning the gun on himself.
Police believe the weekend shootings to be a murder-suicide.
The Day One Crisis Hotline for domestic violence victims is 1-866-223-1111.
Their bodies were found early Saturday morning.
Investigators say the man and woman had a prior relationship.
Reports say his parents had been in a long custody dispute.