By a 6-3 vote, the court on Wednesday reversed a federal appeals court that had thrown out the second-degree murder conviction of Cesar Sarausad II.

The 9th U.S. Circuit Court of Appeals in San Francisco overturned the conviction because of unclear jury instructions. But the high court, in a majority opinion written by Justice Clarence Thomas, said there was "no evidence of ultimate juror confusion."

"Rather, the jury simply reached a unanimous decision that the state had proved Sarausad's guilt beyond a reasonable doubt," Thomas wrote.

In a dissenting opinion, Justice David Souter said an uncertain instruction from the trial judge merged with a "confounding prosecutorial argument" that included a "clearly erroneous statement of law."

"In these circumstances, jury confusion is all but inevitable and jury error the reasonable likelihood," wrote Souter, who was joined in his opinion by Justices John Paul Stevens and Ruth Bader Ginsburg.

Sarausad was convicted for his role as the driver in the shooting that killed a teenage girl outside a Seattle high school.

Sarausad was a 19-year-old freshman at the University of Washington at the time of the shooting. He drove the car from which Brian Ronquillo shot and killed 16-year-old Melissa Fernandes. She had nothing to do with the gang rivalry that led to the shooting.

Ronquillo was convicted of first-degree murder and sentenced to 52 years in prison. Sarausad got a 27-year sentence.

Sarausad admitted being the driver but denied knowing that Ronquillo had a gun, much less that he was planning to kill anyone.

The jury instructions at issue concerned whether, to be convicted of second-degree murder, Sarausad had to know that Ronquillo intended to use a gun and that someone could die as a result.

A state agent had posed as the girl, and the 51-year-old mayor was arrested Tuesday at the mall in suburban Milwaukee. District Attorney Michael Nieskes said during a news conference after a court hearing Thursday that investigators also found records of 1,800 sexually explicit chats on Becker's computer.

The charges include attempted second-degree sexual assault of a child under 16, possession of child pornography, child enticement, use of a computer to facilitate a child sex crime, attempt to expose a child to harmful material and misconduct in office. At least one city official has called on Becker to resign.

Becker, who is married and has two children, waived his preliminary hearing in Racine County Circuit Court on Thursday afternoon. Racine County Circuit Court Commissioner Alice Rudebusch set his arraignment for Feb. 10.

The investigation by the state Department of Justice's Division of Criminal Investigation started after city workers who helped Becker fix a problem with his personal computer found pornography files on it and alerted Racine police, the complaint said. Police had passed the case on to state investigators to avoid a conflict of interest.

After chatting online with the agent posing as a girl, Becker went to the mall to buy lingerie for the girl, according to a criminal complaint. During the chat, he offered to meet her and take her to a hotel to "have lots of fun," the complaint said.

The 11th U.S. Circuit Court of Appeals judges cast doubt at a hearing on claims by Noriega's lawyers that the Geneva Conventions treaties regarding prisoners of war require Noriega be returned to Panama because his sentence for drug racketeering ended in September 2007.

U.S. Circuit Judge Ed Carnes repeatedly asked Noriega attorney Jonathan May whether Congress eliminated the legal underpinnings of Noriega's argument when it passed the 2006 Military Commissions Act. The law created judicial procedures for enemy combatants held at Guantanamo Bay, Cuba, but also could be applied to POWs and anyone else, the judges said.

"Do you disagree with the plain meaning of that language, or what?" Carnes said. "You're using the Geneva Conventions as a source of your client's right ... (the law) says you can't."

May said that was an incorrect interpretation of what Congress sought to do. He insisted the law was meant to apply solely to court proceedings, not an executive branch matter such as extradition.

In a 5-4 split, the court upheld the conviction of an Alabama man on federal drug and gun charges.

Bennie Dean Herring was arrested on what the Coffee County, Ala., sheriff's department thought was a valid warrant from a neighboring county. It turned out that the warrant for Herring's arrest had been recalled five months earlier.

Herring argued that police negligence should automatically lead to the suppression of evidence found after an unjustified arrest.

But Chief Justice John Roberts, writing for the court, said the evidence may be used "when police mistakes are the result of negligence such as that described here, rather than systemic error or reckless disregard of constitutional requirements."

Justices Samuel Alito, Anthony Kennedy, Antonin Scalia and Clarence Thomas sided with Roberts.

In a dissent for the other four justices, Justice Ruth Bader Ginsburg said the ruling "leaves Herring, and others like him, with no remedy for violations of their constitutional rights."

Ginsburg said accurate police record-keeping is of paramount importance, particularly with the widespread use of electronic databases. Justices Stephen Breyer, David Souter and John Paul Stevens also dissented.

The Washington state Court of Appeals ruled Monday that denying a juvenile the right to a lawyer from the outset violated constitutional requirements.

Dan Donohoe, a spokesman for the King County prosecutor's office, said the ruling was under review and no decision had been made on whether to appeal to the state Supreme Court.

If it stands, the decision could make Washington the first state in which a juvenile is entitled to counsel at the outset of court truancy proceedings that could lead to penalties, said Paul M. Holland, director of the Ronald A. Peterson Law Clinic at Seattle University, which represented the student in the case.

"I am not aware of any states that provide lawyers at the initial stage of truancy proceedings," Holland said. "That is the most noteworthy part of this ruling."

He said it also is part of a growing body of law that recognizes the right to an attorney in certain civil matters as well as the well-established requirement for representation in criminal cases.

Under the law, a juvenile with at least seven unexcused absences in a month or 10 in a school year could be ordered to appear in Juvenile Court on a petition by school officials or the youngster's parents without being represented by an attorney.

The appeals court's decision was hailed by the American Civil Liberties Union, which filed a brief supporting the juvenile, a Bellevue girl identified only as E.S. and described as an emotionally troubled member of a refugee family from Bosnia.

The justices are hearing arguments on whether an Alaska gold mine can dump metal waste into a nearby lake.

A ruling in favor of the mining company could allow the Clean Water Act to be interpreted to allow mining waste to be dumped into waterways throughout the United States, said Tom Waldo, a lawyer with the environmental group Earthjustice.

"The whole reason Congress passed the Clean Water Act was to stop turning our lakes and rivers into industrial waste dumps," Waldo said. "The Bush administration selected the Kensington mine to test the limits of the Clean Water Act."

The U.S. Army Corps of Engineers issued a permit for waste disposal at the proposed Kensington mine north of Juneau in 2005. Under the plan, tailings — waste left after metals are extracted from ore — would be dumped into Lower Slate Lake.

Environmentalists sued to halt the practice, saying it would kill fish. A federal appeals court blocked the permit, saying the dumping is barred by stringent Environmental Protection Agency requirements under the Clean Water Act of 1972. The EPA had agreed to a regulatory change in the case defining "fill" as "tailings or similar mining-related materials."

The mine's owner, Coeur Alaska Inc., said tailings are inert sandy material, and that almost half of the tailings created by the mine would be recycled back into mine operations. The remaining tailings would be placed in a small unproductive lake, which the company called the best option for disposal.