put wise

put wise  {v.},  {slang}

Сообщать кому-либо факты, знание которых даст преимущество над другими или предупредит его о какой-л. возможности, либо опасности.

The new boy did not know that Jim was playing a trick on him, so I put him wise.

Часто используется с "to":

Someone put the police wise to the plan of the bank robbers, and when the robbers went into the bank, the police were waiting to catch them.

Ср.: TIP OFF.