The business believes the cat was killed by a human before he was taken into its surgery.
On Thursday (November 1) the animal was found in the Perry Hill area on a small road in Catford.
A statement on Streatham Hill Vets Facebook Page reads: “It is with a heavy heart that we have to report that a cat was brought to our sister surgery in Sydenham with injuries consistent with the ‘cat killer’.
"The cat is a male, grey and white tabby, unchipped.
"We would like to find his owners to let them know and would be grateful if you would please share and help us locate them.
“Sadly the police have now closed the case, but if you want to help please consider donating to South Norwood Animal Rescue and Liberty (SNARL).”
After a three-year investigation, the police concluded that foxes were most likely responsible for the deaths of around 500 pets.
However, SNARL is continuing its own investigation and its members are convinced a human is killing the animals.
One member told News Shopper they want to help find the owners of the cat brought to the vet in Sydenham.
Boudicca Rising said: “Both vets have put an appeal out as we have. As soon as we have our new leaflets printed we will get some out in the area.
“He was an adult male, silver brindle tabby with a white chin and white back paws.”
