investigation

• Scratch the surface

  To deal with only a very small, superficial part of a subject or problem, implying much more remains to be explored.

• Nose around

  To investigate or pry into something in a curious or often intrusive manner.

• Button up the case

  To bring a legal matter, investigation, or project to a conclusive and thoroughly resolved end, ensuring all details are finalized and secured.

• To unravel a mystery

  To solve or explain something complex, perplexing, or previously unknown through careful investigation or analysis.

• Digging for information

  To search thoroughly and persistently for facts, details, or evidence, often those that are difficult to find or hidden.

• Unearth a secret

  To discover or reveal something previously hidden or unknown, especially a piece of confidential information, through careful investigation.

• barely scratch the surface

  To only deal with a very small or superficial part of a larger, more complex issue, topic, or task.

• Dig deeper

  To investigate or explore a topic, problem, or situation more thoroughly than initially, in order to uncover more information or a deeper understanding.

• Look beneath the surface

  To investigate something more deeply than what is immediately apparent, seeking hidden truths or underlying complexities.

• explore thoroughly

  To examine or investigate every aspect of something in great detail and completeness.

• get to the bottom of something

  To discover the true facts, ultimate reason, or hidden cause behind a mysterious problem or situation.