Boy with rare birth defect is honorary SFPD chief of the day

SAN FRANCISCO (KTVU) – Four-year-old Massimo Buoncristiani was the honorary chief of the day on Monday.

According to San Francisco police, Massimo suffers from Tibial Hemimelia which is the absence of a tibia bone.

The birth defect occurs in one in a million births.

Massimo will have to get extensive surgery.

The SFPD says it looks forward to many more visits with Massimo.