social media forensics investigating infidelity

More details: this s a divorce situation i would like to prove infidelity across social media, and phone useage. I have at least 18 months of phone/text usage.but there about 6 more phones overthe years.lots of VOIP unidentified numbers

Which social media platforms do you need to investigate? dating and video sharing VIMEO, other hookups,. Her social media is totally scrubbed - unnaturally so its like she doesn't exist. FYI we've identified serious financial deception as well.
What information should successful freelancers include in their application? Past work
How soon do you need your project completed? Within a month