Cua

Joseph Cua was convicted by jury of the murders of Fernand and Suzanne Wagner. He was connected to the commission of the offenses in part by genetic trace evidence. He challenges the scientific validity of that evidence, and contends that his trial attorneys were ineffective in failing to object to its admission. We affirm.

*586 I. Background and Procedural History

Cua was employed by the Wagners as a property manager, and lived rent free at a building which the Wagners owned in Burlingame. In 2004 and 2005, the Wagners had received gross rental income of approximately $820,000 from the three rental properties they owned. In early June 2006, Fernand learned from his bank, Wells Fargo, that the cash balance in the Wagners’ business account was lower than anticipated, and insufficient to be able to make quarterly tax payments coming due. On Saturday, June 10, 2006, Fernand met with the Millbrae Wells Fargo branch manager, Asha Kumar. He showed Kumar faxed copies of deposit receipts that did not match the bank’s records of deposits to his account. The facsimile copies cut off the bottom portion of the deposit receipts, which would have identified the teller receiving the…