While Milwaukee police look for a 37-year-old accused sex offender, the family of his latest victim says he is dangerous.  The current case marks the third time Garrett Klumb has been accused of sex crimes against a child.  Prosecutors charged him with first-degree sexual assault of a child last week after Klumb allegedly had sex with a victim under the age of 12.  Klumb’s legal troubles started 14 years ago when he was convicted of child porn possession.  The forced him to register as a sex offender.