has been booby-trapping

• present perfect progressive

  present perfect progressive

  Used to describe an action that began in the past, has continued continuously, and is still in progress.

  of booby-trap (3rd person singular).
  booby trap

  noun

  a hidden bomb or mine so placed that it will be set off by an unsuspecting person through such means as moving an apparently harmless object.

Related Words

• land mine