Most people keep a massive amount of personal information on their phones, and evidence taken from cellphones is increasingly used in criminal investigations. However, your phone is your property, and police can't just take your phone from you in any given situation....

When scientific or expert testimony is to be admitted as evidence, courts are supposed to ensure that the evidence is reasonably reliable. That means sorting out the pseudoscience from the real science. Technical evidence should not be admitted unless it involves...

Whether you have been arrested or think you may be, there are steps you can take to minimize the negative consequences. However, being arrested — or simply being questioned by police — can be a very stressful situation, and often people are not thinking clearly when...