Lost Pet: Phoenix

Circumstances

Phoenix is a 1.5 year old ruddy Abyssinian male. He is neutered. He is approx 6 lbs. very agile and loud. 
he escaped from the back garden of my apartment which has very high walls along with a steep drop of around 12ft to the alley behind. I was in a work call otherwise he would have been supervised while outside. I took my dog and searched around my building for several hours to no avail. Unfortunately there is practically no way for him to come to my front door as it is in a secured buidlng.