Related Clues:

• Probed
• Scrutinized
• Investigated
• Investigated, with ''into''
• Dug
• Dug for information
• Dug, for information say
• Probed, with ''into''
• Searched for an act to imprison 55
• Searched deeply
• Researched legal document about luncheon voucher
• Explored, with 'into'
• Looked deeply (into)