西西·麥剋奈爾（Cici McNair），私傢偵探，畢業於密西西比州的布蘭斯剋裏夫大學。她曾為CBC電視颱的獲奬紀錄片《犯罪連綫》擔任調查員。

她同時還是新聞寫手、電颱主播，以及羅馬梵蒂岡廣播電颱的紀錄片製片人。她曾周遊世界，並在加拿大、英國、意大利、葡萄牙、瑞士、塞浦路斯等地居住過一段時期。

麥剋奈爾目前住在費城，擁有自己的私人調查公司——綠星偵探所，處理包括藥品造假、人口失蹤、藝術品被盜、謀殺等各類案件。她還是法庭指定的凶殺案調查員，負責處理多項案件。

Raised as a Southern belle, Cici McNair escaped her suffocating, strict up-bringing to travel the world. From working at the Vatican in Rome to dining with a gunrunner in Haiti, she lived a life of international adventure. Eventually Cici landed in New York where she found herself divorced, and unemployed and she decided it was time follow a childhood dream and become a private investigator. But, as Cici quickly learned, the world of PI's is tight-knit, almost exclusively former law enforcement and highly suspicious of newcomers. She fiinally gets a toe in the door by landing work with an investigator described as 'poison' throughout the industry and brushes shoulders with the drug runners and the Vietnamese Mafia in Chinatown working undercover on counterfeiting cases. She eventually goes solo to start her own firm, Green Star Investigations. Detailing the hidden world and real-life cases of a PI, this action-packed memoir is as riveting as any detective novel you've ever read.