A 29 year old colleague

Martijn Kramer, an employee of a brewery, jumped of a silo after a party at work. Although the head and confidential advisor said Martijn was a loner and difficult at work, it soon becomes clear he was bullied. They find terrible pictures of the party, but is it enough to get a conviction? In the mean time Helena finds a letter on her desk informing her of an old case which puts Christine and Thomas in bad daylight. She decides to ask Christine about it.