1.   And we all have seen the havoc Allen Iverson can wreak in Philadelphia.

2.   As much as she loves her adopted country, Rodriguez has too often seen the havoc it can wreak on an immigrant family.

3.   He never saw the havoc they wrought.

4.   That was before he saw the havoc a pouring rain had wrought on the lengthy, hilly layout.

5.   They quickly saw the havoc that roads and landing strips were causing to native peoples.