Crime & Safety
San Ramon Man Pleads Guilty to Bid-Rigging at Public Foreclosure Auctions
Douglas Ditmer of San Ramon and Keith Slipper of Oakland pleaded guilty in their roles to rig bids at public foreclosure auctions in Northern California on Thursday.

A San Ramon and Oakland man pleaded guilty in their roles to rig bids at public foreclosure auctions in Northern California, the Department of Justice announced on Thursday.
Felony charges were filed Thusday in the U.S. District Court for the Northern District of California in Oakland against Douglas Ditmer of San Ramon and Keith Slipper of Oakland.
Along with conspiring to rig bids, they also pled guilty to committing mail fraud at public real estate foreclosure auction.
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“By agreeing not to compete with one another in the bidding process, these investors illegally profited and undermined the integrity of the real estate market,” said Scott D. Hammond, Deputy Assistant Attorney General of the Antitrust Division’s criminal enforcement program. “The conspiracy eliminated competition and prevented lenders and distressed homeowners from getting fair market prices for their property.”
According to court documents, Ditmer and Slipper conspired by agreeing to stop bidding or to refrain from bidding for properties at public foreclosure auctions in Contra Costa and Alameda counties.
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They negotiated payoffs with other conspirators not to compete, purchasing selected properties at public auctions at suppressed prices, and participating in second, private auctions open only to members of the conspiracy, where the property was awarded to the conspirator who submitted the highest bid.
The department said Ditmer conspired with others to rig bids and commit mail fraud as early as July 2008 and continuing until about January 2011, and in Alameda County beginning as early as June 2007 and continuing until about January 2011.
“The FBI continues to work closely with the Antitrust Division to target those individuals who engage in fraudulent bid rigging and other anticompetitive activities at foreclosure auctions,” said FBI Special Agent in Charge Stephanie Douglas of the San Francisco Field Office. “We are committed to bringing to justice those who engage in illegal and unfair practices that adversely impact legitimate home buyers and sellers.”
The department said that the primary purpose of the conspiracies was to suppress and restrain competition in order to obtain selected real estate offered at Contra Costa and Alameda County public foreclosure auctions at non-competitive prices.
When real estate properties are sold at these auctions, the proceeds are used to pay off the mortgage and other debt attached to the property, with remaining proceeds, if any, paid to the homeowner.
According to court documents, these conspirators paid and received money that otherwise would have gone to pay off the mortgage and other holders of debt secured by the properties, and, in some cases, the defaulting homeowner.
Each violation of the Sherman Act carries a maximum penalty of 10 years in prison and a $1 million fine for individuals. The maximum fine for the Sherman Act charges may be increased to twice the gain derived from the crime or twice the loss suffered by the victim if either amount is greater than $1 million.
Each count of conspiracy to commit mail fraud carries a maximum sentence of 30 years in prison and a $1 million fine. The government can also seek to forfeit the proceeds earned from participating in the conspiracy to commit mail fraud.
The charges filed are the latest cases filed by the department in its ongoing investigation into bid rigging and fraud at public real estate foreclosure auctions in San Francisco, San Mateo, Contra Costa, and Alameda counties.
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