Danny Messer is a fictional character from the television series CSI: NY. He is portrayed by actor Carmine Giovinazzo and serves as a forensic technician in the show. Danny is known for his expertise in crime scene investigation and his ability to analyze evidence, which helps solve various criminal cases throughout the series. In addition to his professional skills, Danny has a personal storyline that includes his relationships with other characters, particularly Lindsay Monroe, whom he eventually marries. His character is often depicted as dedicated and passionate about his work, contributing to the overall dynamics of the CSI: NY team.