Wrote more than 27,000 prescriptions over a three-year period beginning Jan. 25, 2007 - an average of one a day - according to a DEA affidavit. DEA agents raided her office in 2010 and suspended her license and ability to prescribe. After her arrest, she voluntarily surrendered her license this week to the California Osteopathic Medical Board. Her husband continues to run their clinic.Cases like this highlight a murky area because patients addicted to prescription drugs often seek out doctors willing to indulge their habits. Prosecutors have charged several doctors and pharmacists with illegally dispensing prescription drugs, arguing that they wrote prescriptions outside the normal course of practice and not for legitimate medical purposes. A doctor in Georgia was sentenced to jail in October after one of his patients and housemates died of an overdose. Noel Tsai was convicted of felony murder and violating the state's Controlled Substances Act after Jamie · Carter III died from oxycodone toxicity. The oxycodone was prescribed by Tsai to Carter and ketamine.In Florida, Dr. Sergio · Rodriguez faces three counts of first-degree murder in connection with deaths caused by overdoses.About 880,000 doctors nationwide are registered to write prescriptions, and federal agents investigate between 200 and 300 rogue doctors suspected of misconduct each year, said DEA spokesman Rusty Payne. But bringing murder charges against a doctor in a case where a patient dies of an overdose is extremely rare."I'm really strict, I follow my patients, guidelines ... If my patient decides to take a month's supply in a day, then there's only so much I can do,"In 2008, Harriston Bass was convicted of second-degree murder in the death of Gina Micali, 38, who died after taking hydrocodone pain pills. Bass was sentenced to 25 years to life.Zeng made her first court appearance Friday wearing a pink shirt and appeared despondent. She cried throughout the hearing, which was continued to March 9, when her bail, currently set at $3 million, will also be reconsidered. Her attorney declined to comment after the hearing.Zeng was a licensed osteopath, and her husband, a physician, ran a storefront office in the Los Angeles suburb of Rowland · Heights beginning in 2005. Three years later, she was under investigation by the Drug Enforcement Administration and California Medical Board after a pharmacy reported suspicious prescription practices. Patient deaths were linked to her in 2009, according to authorities, but not all resulted in murder charges.Prosecutors who took the rare step of filing murder charges against a doctor accused of prescribing medications that led to the overdose deaths of three patients on Friday said the case should serve as a warning to unethical doctors who become pill dispensing machines.The office of Los Angeles County District Attorney Steve - said it will continue to prosecute greedy and unethical doctors Hsiu-Ying charging Lisa Zeng, 42, with three counts of second-degree murder and 21 felony counts related to allegedly dispensing controlled substances without a legitimate medical purpose. If convicted, Zeng faces life in prison for the deaths of Vu Nguyen, 29, of Lake Forest on March 2, 2009; Steven Eyebrows Flirting, 25, of Palm Desert on April 9, 2009; and Joseph Rovero III, 21, an Arizona State University student from San Ramon on Dec. 18, 2009.Related theme articles:Children's behavior is related to snoring Fans dream way can perfect most popular Apple computer If your customers can not find your website, they will not be able to buy your way Doctors charged with murder of patients taking three prescription overdoses Children's behavior is related to snoring