With Bayer facing investor pressure to resolve thousands of lawsuits over its Roundup weedkiller after being hit with $2 billion in verdicts in recent weeks, all eyes are on a trial wrapping up in Philadelphia. Plaintiffs have won the last four trials over their claims that the product causes cancer, each time securing a larger verdict. In the ongoing case, which kicked off Nov. 6 in the Philadelphia Court of Common Pleas, Pennsylvania resident Kelly Martel claims she developed non-Hodgkin lymphoma from using Roundup.