Companies that collect data from people online often know their most sensitive health information.They can find that information through web searches and tracking programs.Privacy experts now fear this information could be used to spy on pregnant women if the U.S. Supreme Court overturns Roe v. Wade--the court's 1973 ruling protecting the right to end a pregnancy.For now, the data is mostly used to target advertising, like baby products shown to pregnant women.But the information could become evidence in a criminal case.And it is something that worries those who support a woman's right to end a pregnancy, or abortion."The value of these tools for law enforcement is for how they really get to peek into the soul," said Cynthia Conti-Cook.She is a Ford Foundation technology expert.In public, there are security cameras, license plate readers and other tools to record people's movements.And the technology has gotten far ahead of the laws that govern them.Laws in the U.S. are far behind those passed in Europe in 2018.Vice News found that until this month, anyone could get data on clients at more than 600 Planned Parenthood offices around the country for as little as $160.