How to Use "tipster" with Example Sentences

1. The police need to find the anonymous tipster if they want to solve the crime .

2. The anonymous tipster shot back that traffic cops don 't tend to cluster like that .

3. The tipster initially discussed the case with a retired law enforcement officer who then contacted the fbi .

4. Do we have a name on the tipster ?

5. Under japanese law , insider-trading rules only apply to those who receive the tip , not to the tipster .