Police are on the look-out for a Las Cruces mother who they say may harm her children.

According to Las Cruces police, 33-year-old Carminita Castillo and her three children have not been seen for over 36-hours.

Police say she is suicidal and has threatened to her harm her children in the past.

Here is what they are looking for.

Castillo and her children were last seen in a blue older model Plymouth mini-van.

The van has a New Mexico license plate with the number FMW848.

If you have any information you are asked to call the Las Cruces Police Department at 505-526-0795

Castillo has two sons ages 13 and 5 as well as a 6-year-old daughter.

The police department is working to find a picture of the family.