Laura Wallen was excited that she was becoming a mother.
Wallen, a 31-year-old Howard County high school teacher, was expecting a baby with her boyfriend, Tyler Tessier, police say. The 32-year-old Montgomery County man had asked her father for her hand in marriage.
But unbeknownst to Wallen, police say, Tessier was already engaged to another woman. Police say both women believed they were dating the Damascus man exclusively.
Then Wallen contacted the other woman.
Now Wallen is dead, her body discovered Wednesday in a shallow grave in a secluded field in Damascus. She was shot in the back of the head, according to autopsy findings released Thursday night. Tessier...