The laws mandated stricter sentencing guidelines. For instance, the conviction for someone possessing four ounces or more of heroin or cocaine could be punished by at least 15 years to life in prison. For the prosecutors, the laws made it easier to make cases. Others criticized the laws since they were to harsh for many first-time offenders. However, the Rockefeller Drug Laws were amended in 2004 and 2005 to ease some of the most severe sentences. Between 1973 and 1979, many states enacted tough laws against drugs, but marijuana was mostly exempt to the extent that some states even eased their marijuana laws by decriminalizing possession of small amounts. In 1977, President Jimmy Carter tried to decriminalize the possessing of up to an ounce of marijuana for personal use, but when the Senate Judiciary Committee voted, the measure never received enough support to become law. When President Ronald Reagan came to power, he expanded the drug war, and during his administration, the number of people behind bars for nonviolent drug law offenses increased. In 1982, Nancy Reagan, then the First Lady, began an