Facial Mask Murder Case

Situation
Another day, another case as Kogoro stumbles upon the death of the President of a popular apparel company. Just why would the President be wearing an unflattering facial mask if she had been expecting company? It's just one of the many perplexing elements of a most unusual case!

Resolution
Hide= The killer is Takeo Izumi. He killed his boss Ikuko when she first threatened to take him to court for a huge lost sum of money, then openly and cruelly told him that she had asked Izumi's much loved parents into selling their country land for his sake. So Izumi lost it and choked Ikuko with his own hands, and one of her contact lenses fell in his clothes.
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The person who actually met up with the police, however, was Ikuko's daughter Chihiro, wearing similar bed clothes and a mask on. She did so after finding Ikuko's body, trying to avert being signaled as the culprit.

Remastered version
A remastered version of this case was aired on December 20, 2014.

Trivia

 * Takeo Izumi car drive is a 1996 White Honda CR-V [RD1].