A $10,000 reward is being offered for information leading to an arrest in a murder on the city's North side late last month.

San Antonio police say on June 28, 67-year-old Roland Castillo was found dead in his home in the 2700 block of Wilborn Drive.

Police say there were signs of a struggle and a lot of blood.

Castillo lived alone and there are no known witnesses.

Crime Stoppers is offering up to $5,000 and friends of Castillo are contributing another $5,000 to make it $10,000 for information leader to an arrest.

The number to calls is 224-STOP.