Officials said it will be difficult to prove abetment since immediate trigger leading to suicide has to be established and Rhea Chakraborty had left his house a week earlier.from Top Movies News- News18.com https://www.news18.com/news/india/why-proving-abetment-to-suicide-in-sushant-singh-case-will-be-tough-ask-for-cbi-amid-3-big-challenges-2806419.html