CLEAR LAKE, Iowa — [KCCI] – Two people suspected in a Michigan murder were arrested Tuesday, in northern Iowa. Clear Lake police say they got a call Tuesday night from law  enforcement in Michigan asking for help. Authorities believed Margaret Kempainen, 50, and Jacob Kempainen, 20, were in town. They’re suspected of killing an 87-year-old family member in Michigan. Clear Lake police tracked the two down at a gas station and took them into custody.