How to say "这连续杀人事件的起因其实是…" (zhè lián xù shā rén shì jiàn de qǐ yīn qí shí shì ……) in Chinese dialogue

zhèliánshārénshìdeyīnshíshì……

This whole thing started because…

Idioms & Colloquial Expressions
Grammar Patterns
INTERACTIVE SCRIPT TIMELINE
LINE 0111:14
xià
tái

[fans clamoring]

LINE 0211:16
PLAYING SCENE
zhè
lián
shā
rén
shì
jiàn
de
yīn
shí
shì
……

This whole thing started because…

LINE 0311:20
xiōng
shǒu

[fan 17] Murderer! [fan 18] What the hell is this guy talking about?

Show Information
Source MediaTV Series
Season & EpisodeS1 E7
Timestamp11:16
TMDB ID206494