There is insufficient evidence that there was intentional wrongdoing by David Wittig.

There was insufficient evidence that Mr. Simmons committed a crime.

Government lawyers have a duty to disclose evidence of wrongdoing in the government.

After a careful analysis of the facts, we have concluded that there is insufficient evidence at this time to go forward against the suspect. The United States Attorney's Office will continue to work with the Metropolitan Police Department to fully and vigorously investigate this case.

He (Donald) is thorough and very careful not to take sides when there's insufficient evidence,

I conducted a thorough investigation, and there were conflicting accounts of the incident. There was insufficient evidence that Mr. Simmons committed a crime against this woman.