Aggregation within nested array

Working with Data
1

Hello everyone, I started using mongodb after a long time, but I could not write the code to perform the following operation.

At first, I tried this code but didn’t get the desired result and couldn’t continue due to the example shown as an empty array.

{$lookup: {
  from: 'suspects',
  localField: 'suspects.id',
  foreignField: '_id',
  as: 'example1'
}}

lawyers document

_id
fullName
phoneNumber

suspects document

_id
fullName
phoneNumber

case document

_id
crimeNumber
eventDate
suspects: [
    {
       id // _id value in the suspects document
       note
       +++ populating data from suspects document

       lawyer: {
          id // _id value in the lawyers document
          note
          +++ populating data from lawyers document
       }
    }
    ...
    ...
]
3

You lookup from suspects but localField seems to refer to a field from suspects. It is the other way around. You will need to share the whole pipeline and real sample documents.