Videos

0-30sec

Paralanguage- 

Rate- the rate is slowed to create suspense 

Pause- there is also a pause to make sherlock uncomfortable and catch him off guard.

Volume- he adds emphasis to how he wants to kill sherlock he changes is volume

Tone- he starts talking a a more airy or raspy voice to show anger and desire to kill sherlock

Pitch- he also lowers his pitch when he says how he wants to kill sherlock along with changing his tone and volume to create a horrific and intimidating threat.