Is the federal Constitution not violated by not requiring a jury to reach unanimity in the penalty phase?

Is the federal Constitution not violated by not requiring a penalty phase jury to reach unanimity on the basis of aggravating factors? (California, United States of America)

Does section 190.3 of the California Criminal Code require a penalty phase jury to consider a defendant's unadjudicated criminal activity as a mitigating factor in the penalty phase? (California, United States of America)

Does a prosecutor's decision not to seek the death penalty in death penalty cases violate the federal or state constitution? (California, United States of America)

Does the concurrence provision in the Federal Constitution violate the federal constitution? (California, United States of America)

Is proof of guilt of a crime by a unanimous jury required at the penalty phase of a death penalty trial? (California, United States of America)

Can a prosecutor commit misconduct under the federal penalty standard at the penalty phase of a criminal case? (California, United States of America)

Is a violation of customary international law an violation of state or federal constitutional law? (California, United States of America)

Does a failure to require a jury to make written findings during the penalty phase violate a defendant's rights under the Fourteenth Amendment? (California, United States of America)

Is a defendant's failure to testify at the penalty phase an error not to instruct the jury to refrain from drawing any inference from the fact that defendant did not testify at penalty phase? (California, United States of America)

In a penalty retrial of a convicted murderer, what is the effect of a hung jury at the penalty phase of his penalty trial? (California, United States of America)