Agents consider the death of a 30-year-old woman in Tibás to be murder.
The women, identified by the last name of Herrera, was found by a boyfriend in a pool of blood in her rented apartment. She appeared to have been stabbed in the neck.
She was found at mid-morniing Sunday, but police theorize that she had been dead for at least six hours.
The woman was separated from her husband, and was reported to be two months pregnant.