Scottsdale Man Sentenced to 8 Years in Prison for Investment Fraud

David Allen Harbour, 50, of Scottsdale, was sentenced on Tuesday by United States District Judge Douglas L. Rayes, to eight years in prison. After a five-week trial, a jury convicted Harbour of crimes involving wire fraud and transactional money laundering on March 2, 2023. On March 7, 2023, Harbour also pleaded guilty to tax evasion, agreeing that he evaded more than $4 million in taxes.

According to the evidence introduced at trial, Harbour acted as a self-styled investment advisor and defrauded numerous investors between 2007 and 2021. Harbour misrepresented the nature of the various investments and omitted material facts. The total loss to investors exceeded $8 million.

Harbour diverted money to pay for a lavish lifestyle including numerous private country club memberships, expensive jewelry, multimillion dollar vacation residences, private jet travel, speed boats, luxury vehicles, and extravagant parties that included a private concert at his 40th birthday party by the 1970’s rock band the Eagles.


Some of these items were seized by the government during the investigation, including a Patek Philippe watch, a Rolex watch, gold and diamond jewelry, and two country club memberships. The proceeds from these items will be used towards partial restitution for the victims.

At sentencing, the judge specifically increased Harbour’s sentence for his efforts at tampering with witnesses prior to trial by paying or attempting to pay them off in exchange for not testifying against him.

“The defendant will have eight years in federal prison to reflect on his long-term pattern of deception,” said U.S. Attorney Gary Restaino. “Justice for the victims continues, as we work to determine the final amount of restitution, and to use the forfeited assets to restore some of the losses.”

“This eight-year prison sentence stands as a reminder that IRS CI will diligently investigate and hold accountable those who seek to defraud the American public,” said IRS CI Phoenix Field Office Acting Special Agent in Charge Carissa Messick. “And, by teaming with our federal partners, we will continue to aggressively investigate corruption at every level.”

“This sentence sends a clear message that those who commit financial fraud will be held accountable,” said FBI Phoenix Special Agent in Charge Akil Davis. “Investors should expect nothing less than complete candor and truth from their investment advisors. The FBI and our agency partners will continue to identify, investigate and pursue those who perpetrate criminal schemes for their own profit.”