21.   The trail went cold.

22.   While many offers of help were found, the trail goes cold when trying to determine whether the students were admitted to colleges and who paid the bill.

23.   His trail went cold after that.

24.   The loop trail goes over Fifth Peak, French Point Mountain and First Mountain, providing many scenic outlooks over picturesque Lake George, its islands and surrounding mountains.

25.   Then the trail went cold.

26.   They said the trail has not gone cold.

27.   Police admitted that the trail has gone cold.

28.   Since then there have been only rumours, and police admitted Tuesday that the trail has gone cold.