John Reinhard Dizon 
King of the Hoboes [EPUB ebook] 

Only one thing stands between Detective Veronika Heydrich and her coveted promotion: uncovering the truth behind the King Of The Hoboes, a man who prides himself on helping the homeless people of New York.
Convinced he is more dangerous than helpful, Veronika goes undercover and learns first hand of the trials and tribulations the poverty-stricken must endure — and of the mysterious past of the King himself.
It is up to Veronika to save the innocent homeless of New York, and protect the city itself. But can she discover the truth about the enigmatic King, while saving the people she has come to know and love as her own?