31.   The big catch, of course, is that to escape detection, they have to assume a fake identity for the rest of their lives.

32.   The clincher that solved the Lockerbie case was the discovery of an electronic chip smaller than a thumbnail that might easily have escaped detection.

33.   The existence of such an agent has long been surmised but until now it has escaped detection.

34.   The existence of such an agent has long been surmised, but until now it has escaped detection.

35.   The IRS suggested that more businesses escape detection by the simple step of not filing a tax return.

36.   The impacts of Fragments T, U and V all seem to have escaped detection by large observatories in parts of the world well placed to see them.

37.   The particular form of trauma, known as mild traumatic brain injury, often escapes detection by established medical procedures, medical experts say.

38.   The trauma also frequently escapes detection in psychological tests that assess personality disorders.

39.   They were to help Dutch Jews escape detection.

40.   Though massive, these galaxies have escaped detection by conventional astronomy.