Robert Farmer is charged with 10 counts of felony animal cruelty.
READ MORE: Santa Clara Co. prosecutors need help building case against accused cat killer
Prosecutors say he killed four cats and injured six others in the Cambrian neighborhood last year. One of the thefts was captured on surveillance video.
Our media partners at the San Jose Mercury News report Farmer's plea drew gasps and brought one woman to tears.
VIDEO: Owners present at hearing for accused San Jose cat killer
VIDEO: Man accused of kidnapping, killing cats in San Jose