She is believed to be staying in hotels in the area, but a family member told police they lost communication, which is unusual behavior.
The carousel has been refurbished to fit the park over the last eight months.
Police believe John Buchanan assaulted 46-year-old Jaynie Sauter after an argument at their home in the Willmore neighborhood the morning of Dec. 4.
No one reported injuries, but police found bullets at the scene.
The man remained trapped under the car until firefighters were able to extract him around 5:53 p.m.
Police believe the suspects robbed Signal Hill Jewelry & Novelties around 12:30 p.m.
One person, a member of the military, surrendered earlier in the morning, but it took authorities until about noon to get the other man out, authorities said.
Police will hold the checkpoint from 8 p.m. to 3 a.m. somewhere in Signal Hill on Friday night.
Signal Hill police shut down the area around 19th Street and Dawson Avenue.
The 125-bed facility in West Long Beach will give participants shelter and food during the colder months of the year until March 31.