Since Netflix released the documentary “Making a Murderer” in mid-December, its imprisoned central character has received a wave of support, including more than 275,000 signatures on a petition asking President Obama to pardon him.

The 10-part series, by the filmmakers Laura Ricciardi and Moira Demos, depicts a true-crime saga that seethes with troubling questions over whether Steven Avery, a Wisconsin man convicted of the 2005 murder of a young woman, was framed by law enforcement officials.

But the prosecutor in the case, Ken Kratz, said viewers convinced of Mr. Avery’s innocence did not get to see important evidence that led a jury to convict him.

The series “really presents misinformation,” Mr. Kratz said in an interview on Monday.

He portrayed the program as a tool of Mr. Avery’s defense and accused the filmmakers of intentionally withholding facts that would lead viewers to see his guilt.