The heist of 100,000 eggs from the back of a trailer in Pennsylvania has become a whodunit that police have yet to crack.

The theft of the eggs, which the authorities said were worth $40,000, comes as grocery shoppers across the country are facing empty shelves and higher prices for eggs.

(Reuters) - Pennsylvania State Police were hunting on Wednesday for thieves who stole about 100,000 organic eggs from a wholesaler's warehouse over the weekend, a haul worth more than $40,000 retail amid a national shortage that has caused prices to surge.