Around 11:29 a.m. Saturday, police responded to the La Ventana Apartments near Rainbow Boulevard and Peak Drive.
A female left her 10-month-old child with her boyfriend while she was working. She told police that her boyfriend was threatening to harm her and her child if she didn't return to the apartment.
The boyfriend threatened to hurt the baby when officers arrived at the scene. SWAT units were called in and took the suspect into custody around 2 p.m. No injuries were reported.