The 20-year-old centre spent an hour at Auckland Central Police station on Sunday where he was given a formal pre-charge warning for disorderly behaviour after jumping from a ferry into the harbour.
Tuilagi, who was fined £3,000 by the Rugby Football Union, landed back in England today with the rest of the squad following their quarter-final exit to France at the weekend.
The Samoa-born player will face more questions when he returns to Leicester.
"As a club, we are very mindful of the image of the game and the effect that our players' actions have on our fans and sponsors," Tigers' chief operating officer Simon Cohen told the Leicester Mercury.
"We will have a chat with Manu when he gets back to the club.
"It would be wrong to pre-judge any of the issues until we have spoken to him and seen what has been involved.
"But we will sit down with him and take into account the need to protect the image of the game, while also recognising any investigation and punishment that has been metered out in New Zealand.
"It would be a shame if anyone remembers Manu Tuilagi's time in New Zealand for anything other than what happened on the pitch."
Gilbert has released a new line of rugby cleats. The Gilbert Virtuo 8S is part of the exciting new product. Check it out.
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The Nike Tiempo is a solid rugby cleat and one of few styles still made from full-grain natural leather.
The Gilbert Blitz 8S rugby cleat is a great cleat at a great price of $69.99. Get a new pair of cleats today.
A cool looking all black rugby cleat with the high performance adidas is known for. Get in the Gear!
Wear the crest of the British and Irish Lions on your t-shirt. A great look for the summer.
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The New Zealand All Blacks training jersey for 2013/14. Get in the Gear!
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