A time jumper

[Yemel]

His mother telephoned me two weeks ago, terrified and screaming that he in full view of his entire family, just vanished, instantly, from his apartment while having coffee with them. I think he slipped into another aspect of time.
Hi people,
I am not sure about word order in the first sentence. Could someone advise me on that. Thank you

[Beeesneees]

His mother telephoned me two weeks ago, terrified and screaming that in full view of his entire family while they were all having coffee, he just vanished instantly from his apartment.
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Cheers m' dears!

[Yemel]

Great! Thank you dear friend. Love