San Antonio police are asking for the public's help in identifying a suspect involved in the 2009 murder of a woman whose body was found wedged between two mattresses.

On Dec. 18, 2009, police found Alice Sosa's body at an apartment northwest of downtown at 1010 N. Frio St.

Crime Stoppers will pay a reward of up to $5,000 for information that leads to an arrest.

The number to call is 210- 224-STOP (7867). Callers may remain anonymous.