FITCHBURG (WKOW) -- Investigators say the man arrested in a homicide Monday night in Fitchburg is the father of the child killed in the incident.
Thirty-year-old Jesus Castillo-Dimas was booked into the Dane County Jail on tentative charges of first degree intentional homicide and attempted first degree homicide in connection with the incident.
Investigators are calling it a domestic-related incident between Castillo-Dimas and a 20-year-old Fitchburg woman.
Authorities say the woman was returning home with her two-year-old child in a vehicle driven by a 30-year-old Fitchburg man when she noticed Castillo-Dimas was following in a vehicle behind them. She asked the driver to turn into the parking lot north of 2111 Red Arrow Trail.
Officials say Castillo-Dimas followed and stopped next to the vehicle, where a confrontation took place. After that, Castillo-Dimas drove away.
When the woman and child got out of the vehicle, police say Castillo-Dimas deliberatively drove his vehicle toward the two, striking both of them. The child was killed and the woman was hurt. Next, police say Castillo-Dimas began stabbing the woman.
The 30-year-old man intervened in the attack and controlled Castillo-Dimas until police arrived.
The woman and man were taken to a local hospital for non-life threatening stab wounds.
The Dane County Medical Examiner has identified the two-year-old boy who was killed as Yandel Castillo Castillo. Authorities say the force of being hit by the car was what killed the toddler.
Police say they believe the woman and Castillo-Dimas were in a long-term relationship that recently ended.
Castillo-Dimas remains jailed, with no court appearance scheduled as of Monday. Authorities say he has no permanent address.
A neighbor tells 27 News she heard Castillo-Dimas argue loudly with a woman in the neighborhood in recent months.
A Fitchburg police official said there is no record of any officer contact this year with anyone at the address where the child's mother apparently lived.
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