1.   But no other trace was found.

2.   There have been no other traces of the suspect, and police say he may have recrossed the border into Germany.

3.   There has been no other traces of the suspect, and police have not discounted the theory that he may have recrossed the border into Germany.

4.   There has been no other traces of the suspect, and police say he may have recrossed the border into Germany.